Evergreen Educational Equipment Co.,Limited

We are offering Aerodynamic Instrument ( Wind Tunnel). the aerodynamic instrument is not only for learners to understand and solve theoretical problems in fluid mechanics, but also a vivid simulation test methods and physical aspects aviation basic knowledge of large-scale wind tunnel for cars, trains, ships, aircraft and other transport and high-speed moving body , and proving a basic experimental means of drag experiment for high-rise buildings, bridges and etc. the aerodynamic instrument is mainly used in institutions of higher physics experiments, especially for the experimental demonstration and research of science and engineering hydrodynamics professional and related course; in additional, it is a display platform for the young people's exploration, autonomy, learning, and science activities. aerodynamic instrument is also applicable to the field in innovative research on the scientific research institutes and vocational training. for more details, contact us.

Experimental contents 1, suitable for engineering fluid mechanics teaching experiment. 2, to verify the basic incompressible fluid hydrostatic equation by measuring three hydrostatic pressure at different locations. 3, to determine unknown liquid volume weight, to deepen understand the concepts of absolute pressure, relative pressure, vacuum. 4, to learn to use the plume-type pressure gauge for details, contact us freely

Experimental Contents 1, to understand the structure and characteristics of centrifugal pumps, familiar with the operation of centrifugal pumps. 2, to measure centrifugal pump characteristic curve under a certain speed. 3, to familiar with the working principle of centrifugal pump. For details, contct us freely

Experimental Contents 1 to demonstrate the causes of the formation siphon and its destruction, and pressure distribution in the tube. 2, apply for siphon principle and application experimental teaching. 3, to measure siphon vacuum, and to determine the maximum vacuum field, to meet qualitative analysis energy conversion properties of siphon flow. For details, contact us freely.

Experimental contents 1, to understand the principle of venturi flow meter and its experimental apparatus. 2, to determine the venturi meter flow coefficient μ value by the differential pressure and flow curves. 3, quantitative measurement of pipe flow, and determine the correlation of flow coefficient is and re. For details, contact us freely.

We are offering Orifice Nozzle Experimental Apparatus. experimental contents to determine of orifice, nozzle flow freely coefficient (contraction coefficient ε, flow coefficient, flow coefficient, drag coefficient). for details, contact us freely.

we offer self circulation open channel flume. experimental contents 1, quantitative measurement of the critical bottom slope, the critical flow, the critical surface curve. 2, to demonstrate and analyze flat slope, down slope, critical slope, steep slope, gentle slope of the flow convergence phenomenon. 3, to demonstrate and analyze twelve kinds of water curves in prismatic channel; do qualitative and quantitative experiments of surface curves. for details, contact us freely.

We offer Reinforced Concrete Beam Bending Experiment Equipment. The maximum testing force is 150kn. The span is 1800mm. Weighing about 600kg，dimensions：2600×1560×2132mm. Hand-loaded screw jack(1:18 through the sprocket chain and gear transmission), sensor measures the force and the electronic instrument display, force error is less than 1%. It's convenient to load or unload reinforced concrete beams and other objects by manual or hydraulic forklift. Straight beam reference dimensions：l×w×h =2000×120×200 and not included.

We are offering Steel Truss Static Load Experiments. the maximum test force is 30kn, bearing span is 2400mm. loading device, weighing about 280kg, dimensions l × w × h = 2600 × 1140 × 1680mm. steel truss weighing about 50kg, dimensions l × w × h = 2500 × 84 × 372mm. force error less than 1%, equipped with overload protection device.

Torsion Testing Machine

Our Tension Testing Machine, Compression Testing Machine for tension and compression-destructive testing, the maximum tension and compression forces is 150kn, 100kn, 50kn; manually load and no-load electric lift, lcd display. the error is less than 1% of measured value, and it can be used for a variety of experiments for tension and compression, bend and cut. features: simple structure, small size, light weight, easy installation, and low price.

We are offering Torsion G Gauge. For material torsion test, manually loaded, and mainly applicable in the mechanics laboratory of relevant scientific research departments, various colleges, universities and industrial to determine the material shear modulus g.maximum torque is 4n.m δt = 1 n • m, with a dial indicator.

We are offering Bending Testing Bench, Torsion Testing Bench. 1.sample (tube): #20 steel materials, diameter d = 58mm, inner diameter d = 48mm, total length =400mm. 2. load: the maximum test force 2000n, 1:50 worm gear reducer with a screw mechanism, manually load. 3. display: sensors with digital display, the force error is less than 1%. 4. total weight: 36kg. 5 dimensions: l × w × h = 555 × 280 × 480mm3. 6. accuracy: error

We offer Equal Intensity Beam Testing Bench. To determine strain of the cantilever beam of variable cross-section and poisson's ratio. 1.sample: material q235, elastic modulus e = 210 gpa, thickness t = 5.0mm, the width of the fixed end b1 = 50mm, width away 240mm from the fixed side b2 = 10mm, the loading end (free end) away from the fixed end distance l = 300mm. 2. Load: load increment, δf = 10n (each weight 10n), the maximum load fmax = 40n. 3. Weight (including weight): 7.5kg. 4. Dimensions: l × w × h = 364 × 140 × 320mm3. 5 accuracy: the error is less than 5%.

We offer Strut Stability Experiment Bench for determination the critical load, respectively, under both pin-ended;one fixed end and one pin-ended; both fixed ended, one fixed ended and one free support. the maximum test force is 6kn and strut size is 3x20x300mm3, strut material is spring steel. Dial indicator or electrical measuring method to measure the deflection. The whole weight is 18kg, dimensions l x w x h = 350x300x810mm.

We offer Mechanics of Materials Comprehensive Experiment Apparatus for standard following experiments and tests 1.straight beam of pure bending stresses determination, 2.tube bending and torsion deformation stress analysis, 3.material shear modulus g determination, 4.equal intensity beam testing, 5.the resistance strain gauge sensitivity coefficient of determination, 6.the elastic modulus e and poisson's ratio μdetermination 7.the eccentric stretch, bar stability experiments. optional experiments laminated beams, wedged beam experiments. sensor measuring, digital display, the maximum test force 5kn.

We offer Truck Structure Teaching Model. This transparent training model is professional teaching equipment for colleges, vocational schools, truck driving training and vehicle repairing field. The interior mechanical structure and function of truck is clearly understood under its demonstration and operation to make students and learners raise their initial knowledge of the truck's structure and its working principle. main technical parameters (1) overall size: length 320cm * width 125cm * height * 130cm (60% real size), (2) total net weight: 100kgs, (3) voltage: 220v single-phase; max power: 200w

We offer Car Structure Teaching Demonstrator Model. This transparent model is professional teaching equipment for colleges, secondary vocational and technical schools, car driving training and car repairing field. The interior mechanical structure and function of car is clearly understood under its demonstration and operation to make students and learners raise their initial knowledge of the car's structure and its working principle. main technical parameters (1) overall size: length 320cm * width 125cm * height * 130cm (80% real size); (2) total net weight: 90kgs; (3) voltage: 220v single-phase; max power: 200w.

We are offering Diesel Engine Structure Demonstrator. it is professional teaching equipment for colleges, secondary vocational and technical schools, driving training and vehicle repairing field. the interior mechanical structure and function of car engine is clearly understood under its demonstration and operation to make students and learners raise their initial knowledge of the truck engine's structure and its working principle. main technical parameters (1) overall size: length 80cm * width 60cm * height 70cm, (2) total net weight: 14kgs, (3) power: ac220v

We are offering gasoline engine structure demonstrator. Gasoline engine demonstrator is professional teaching equipment for colleges, secondary vocational and technical schools, car driving training and vehicle repairing field. The interior mechanical structure and function of car engine is clearly understood under its demonstration and operation to make students and learners raise their initial knowledge of the car engine's structure and its working principle. Main technical parameters (1) overall size: length 80cm * width 50cm * height * 60cm, (2) total net weight: 12kgs, (3) power: ac220v

We are offering truck clutch structure model. It is an idea teaching equipment for colleges, secondary vocational and technical schools, car driving training and vehicle repairing field. Main technical parameters (1) overall size: length 46cm * width 32cm * height * 39cm, (2) total net weight: 7kgs

We are offering gearbox with brake structure demonstrator. Description: santana transmission demonstrator is an idea teaching equipment for colleges, secondary vocational and technical schools, car driving training and vehicle repairing field. The interior mechanical structure and function of car transmission is clearly understood under its demonstration and operation. Main technical parameters (1) overall size: length 110cm * width 70cm * height * 90cm, (2) total net weight: 12kgs

Santana Carburetor Demonstrator is an idea teaching equipment for colleges, secondary vocational and technical schools, car driving training and vehicle repairing field. The interior mechanical structure and function of car carburetor is clearly understood under its demonstration and operation. Main technical parameters (1) Overall size: Length 55cm * Width 47cm * Height * 41cm, (2) Total net weight: 4kgs

We are offering Three-screens 3d Vehicle Driving Simulator. This cabin is composed by the cockpit seat, visual computer, screen (3 sets 19-inch display), operating sensors, data acquisition card, headphones and microphone. It contains real vehicle five operations units:Steering wheel, clutch, foot brake, throttle and hand brake.Real car transmission: reverse, first gear, second gear, third gear, fourth gear, fifth gear, and neutral (automatic transmission only contain forward gears, reverse gear and the parking stalls).Real car operation switches: the left turn signal, right turn signal, emergency lights, horn, ignition switch, the Main Function 1 Basic Driving Basic Driving including In situ driver training, basic driving skills training, initial training scene. 1.1In-situ Driving Mainly used for primary students to achieve shift training, practice shift and clutch choice coordination, students can operate clutch and shift rightly . 1.2 Basic Driving Skills Training It is main training students starting, stopping, reversing, and semi-linkage driving by controlling clutch to master semi-linkage driving skills. 1.3 Initial Training Scene Mainly used for the trainees' primary road driving skills. 2 Ground Driving Including ground nine task and reversing storage.There are pile test, lateral side parking, ramp stop and start, through unilateral bridge, curve driving, right-angle turn, speed-limit through wide limit door, continuous through obstacles, one hundred meter modify gears, and undulating road driving.Automobile and Vehicles have different training scenarios for these 10 training contents, 2.1 Pile Test The pile test is assessment motor vehicle drivers to control their cars to complete the lateral displacement, backup storage and the ability to correctly judge the body spatial location. 2.2Lateral Side Parking To make the drivers master skills proper parking the vehicle rightly at the right parking spaces (garage), to adapt temporary parking in the daily driving needs. 2.3 Ramp Stop and Start Assessment of vehicle drivers' driving skills on the ramp and Assessment of drivers' accurate determination of the position of the vehicle, and their proper use of the brake, gear and clutch to accommodate the need for parking and starting in the uphill section.Assessment of the drivers' vehicle driving control ability in the uphill section, Assessment the drivers' side parking ability at fixed location, Assessment of the accurate operation of the gear and clutch to accommodate operational needs in the uphill section waiting for release.The vehicle drivers should determine the ramp's slope size, length, and lane roads thought look and feel in time, and take correct method of operation, to control vehicles smooth parking and starting. And keep correct steering, shifting quickly, accurate and coordinate movement of manipulation the accelerator pedal, parking brake and clutch pedal. 2.4 Through Unilateral Bridge Assessment of vehicle drivers who drive vehicles can accurately judge the right direction and correct judgment on all wheel position of a straight line running track and master vehicle running in non-parallel technology. 2.5Curve Driving Assessment of driver's use of the direction and mastery of the vehicle trajectory run.The driver who drive a vehicle forward from one end of the bend and deceleration and shifting, low gear and low-speed drive exit at the other side. The motion shall not roll the edge of the bend and turning freely. 2.6 Right-angle Turn Assessment of drivers' correct judgment of the vehicle inner wheel gap driver at sharp bends sections by rapid use of the steering wheel.The drivers drive the vehicle at low speed according to the prescribed lines, from left to right or from right to left, right angle turn, and once through, half-way shall not stop. 2.7 Speed-limit through Wide-limit Door Assessment of the drivers' ability of collect judgment on the vehicle position under a certain speed.The driver drive a vehicle cross three doors with speed not less than 20 km h. 2.8 Continuous Through Obstacles Assessment of vehicle drivers' ability of judgment of driving tracks and gap of inner and outer wheels when drive a vehicle through a continuous obstacle.All adopt second and above gear except small cars.Riding through the top of the tortillas, Wheels can not touch, rub, roll tortillas, and can not exceed, touch both sides of the road edge lines. 2.9 One Hundred Meter Modify gears Assessment of vehicle drivers proficiency of manipulation of the vehicle gear.Drivers drive vehicle from the start line, and complete gear modify step by step from the lowest to the highest, then gradually reduced from the highest gear to second gear whitin 100 meters. 2.10 Undulating Road Driving Assessment of drivers' driving ability of master the ups and downs (concave, convex) road driving essentials and the ability of correct judgment on the road of ups and downs (concave, convex), and the ability of appropriate operation for brake, clutch and gear.Drivers make brake and deceleration within 20 meters before the obstacle, adopt low (first gear) or semi linkage to ensure a smooth and safe through the barrier. 3 Comprehensive Training In comprehensive training, city road, highway and rural road training scene are set.A variety of dangerous situations, such as pedestrians crossing the road, pedestrian slip, crosswind are set in all the training scene. 3.1 City Road City road scene are setting overpass, crossroads, T-junction, annular island ring road, tunnel, etc.. 3.2 Highway There are toll station, ultra-lane carriageway, export and other traffic signs, vehicle distance confirm, tunnels, highway entrances and exits in the scene. 3.3 Rural Roads, Mountain Roads, Muddy Roads Sharp bends, steep, muddy roads, overflowing road scene are set. 4 Network Interconnection 30 units can be connected to do networking training under central consol 5 Teaching Video Full of teaching video features.which can play automotive training and teaching videos. 6 System Settings A appropriate settings, such as increase and remove the teaching videos, modify marking model and error scores, modify playback length 7 Playback After training, participants can overlooking the last three minutes of driving, to make a careful analysis of the error driving reason. 8 Training Records After training, participants can view the errors in the training process action, and can preserve training results and errors schedule as a historical record.

We are offering Vehicle Driving Simulator. this cabin is composed by the cockpit seat, visual computer screen (22 inch monitor), operating sensors, data acquisition card, headphones and microphone.it contains real vehicle five operations units:steering wheel, clutch, foot brake, throttle and hand brake.real car transmission: reverse, first gear, second gear, third gear, fourth gear, fifth gear, and neutral (automatic transmission only contain forward gears, reverse gear and the parking stalls).real car operation switches: the left turn signal, right turn signal, emergency lights, horn, ignition switch, the master electric switch, seat belt, door, wipers, high beam light, low beam light, alternate lights.networking training and stand-alone training re both available.under console computer, up to 30 simulators can be connected to one training scene for training.different operating signals are generated from respective sensors by students' operation of different operating parts, and the different operating signals are transmitted into computer by the data acquisition card.at last, the three-dimensional scenes and various sounds corresponding to operation is output on screen.

We are offering Automobile Chassis Disassembly, Assemble Teaching Unit. Description: based on toyota transmission (rear-wheel drive), it fully displays the composition, structure and working process of automotive transmission (rear-drive).it is designed for car chassis theory teaching and maintenance training needs in higher vocational and technical institutions, colleges and training institutions composition after the drive differential, rear-wheel drive transmission, drive shaft, hand cranks, tires, and other movable bench.

We are offering Automobile Structure Anatomy Trainer. Main features engine type: rear drive, 4-stroke, 4-cylinder, water-cooled, inline, 2000cc, single overhead camshaft, engine, electronic control. for displaying passenger car engine, clutch, transmission, axle and tire power transmission system; to explain the power transmission system design principles, mechanical principles and movable principles.it is an ideal tool for teaching and learning inner structure of power transmission system and its parts., as well as a direct and effective teaching system for diagnosis, regular inspection and maintenance of technical training. easy to grasp the power transmission system working principle and process 220v ac motor and 12 ~ 15rpm speed drive systems to achieve every components state motion. easy movement by six wheels dimensions and weight: length 310cm, width 180cm, high 135cm, weight 450kg.

We offer Engine Anatomy Teaching Unit. This product is the most direct and effective teaching system for power system inner structure teaching, troubleshooting, regular maintenance and maintenance training in higher vocational and technical schools, colleges and training institutions engine type: front drive, 4-stroke, 4-cylinder, water-cooled, inline, 2000cc, single overhead camshaft, electronic control.

We are offering Electronical-controlled Gasoline Engine Trainer. Engine forms: 4-stroke supply means: electronically controlled sequential multi-point fuel injection system dimension: 1400 × 1000 × 1800 (mm) weight: 150 ± 20kg.

We offer Engine Teaching Unit. Directly reflects the variety of faults on engine performance; power supply: dc 12 v, two 54ah battery, fuel tank capacity: 10 l (transparent); specifications: length 1500 width 1000 high 1800mm weight 600kg.

We are offering Engine Valve Working Principles Demonstrator. For teaching and demonstrating the working principles and working process of vehicle engine valve system for college and technical schools with dynamic presentation and lighting indicator size:80cm×120cm×12cm, power supply:220v50hz.

We are offering Engine Fuel Supply System Working Principles Demonstrator. for teaching and demonstrating the working principles and working process of vehicle engine fuel supply system for college and technical schools with dynamic presentation and lighting indicator size:80cm×120cm×12cm, power supply:220v50hz

We are offering Gasoline Engine Working Principles Demonstrator. for teaching and demonstrating the working principles and working process of gasoline engine for college and technical schools with dynamic presentation and lighting indicator size:80cm×120cm×12cm, power supply:220v50hz

We are offering Fuel Pump Working Principles Demonstrator. for teaching and demonstrating the working principles and working process of vehicle fuel pump system for college and technical schools with dynamic presentation and lighting indicator size:80cm×120cm×12cm, power supply:220v50hz

We are offering Engine Lubrication System Working Principles Demonstrator. for teaching and demonstrating the working principles and working process of vehicle engine lubrication for college and technical schools with dynamic presentation and lighting indicator size:80cm×120cm×12cm, power supply:220v50hz.

We are offering Hydraulic Braking System Working Principles Demonstrator. for teaching and demonstrating the working principles and working process of vehicle hydraulic braking system for college and technical schools with dynamic presentation and lighting indicator size:80cm×120cm×12cm, power supply:220v50hz

We are offering Plc Controlled Hydraulic Trainer. Plc control hydraulic trainer is light, low power, to obtain considerable force and torque; small and light, so little inertia for start and brake; during operating, it is convenient to implement stepless speed regulation; hydraulic cylinder of simple structure for easy in-line forth and back movement; easy to realize automation, easy to regulate and operate; easy to protect when overload, safe and reliable; components in hydraulic system are configured as required; liquid media are elastic and is capable of vibration absorbing, to make hydraulic movement stable and reliable; easy to become standard and general for design, manufacture and application. technical parameters power supply: 3-phase & 4-line, 380v±10%, 50hz dimension: 1500×800×1650mm bench materials: steel, aluminum total capacity: ≤1.5kva

We are offering Transparent Hydraulic System Comprehensive Trainer. training contents ★ with change valve of reversing circuit ★ use "o" type function of the change valve closure circuits ★ hydraulic control oneway valve shutting circuit ★ pressure adjustment circuit ★ secondary stress circuits ★ reducing pressure valve hydraulic circuits ★ pressurized cylinder of intensification circuits ★ change valve to unload the circuits ★ oil in throttling speed circuits ★ return oil throttle speed circuits ★ variable pump speed circuits ★ variable pump and speed control valve of composite speed circuits ★ flow valve short-circuited speed change connect circuits ★ second feeding circuit ★ use order valve order action circuits ★ pressure relay sequence of movement circuits ★ appliances travel switch sequence of movements circuits ★ use journey value sequence of movements circuit ★ plc control of travel switch order action circuits ★ plc control of the pressure relay sequential action circuits

We are offering Transparent Hydraulic Plc Control Trainer (excavator & Hydraulic Trainer). Typical training contents 1, manual valve for commutation circuit. 2, median function of valve lock loop. 3, hydraulic control valve latch circuit. 4, pressure settings loop. 5, two stage pressure control loop. 6, pressure reducing valve pressure reducing circuit. 7, pressurized cylinder pressurized circuit 8, h-type valve unloading loop. 9, oil inlet throttling speed control circuit 10, back to the oil throttle speed control loop. 11, variable speed gear pump reversing speed control circuit 12, speed gear pump and governor valve composite speed control circuit. 13, flow valve short circuit speed switching circuit 14, speed regulating valve in series two feeding way 15, speed regulating valve in parallel two feeding way. 16, sequence valve loop sequence of actions. 17, pressure relay valve loop sequence of actions. 18, trip switch control loop sequence of actions 19, trip valve loop sequence of actions. 20, series hydraulic cylinder synchronization circuit. 21, pilot type overflow valve control commutation circuit 22, excavator hydraulic circuit.

We are offering Advanced Hydraulic Trainers, Plc Control Trainer. Typical training contents 1.single-stage regulator circuit 2.multi-stage voltage regulator circuit 3.decompression circuit 4.unloading loop 5.oil inlet throttling speed control circuit 6.oil return throttling speed control circuit 7.beside throttle speed regulating loop 8.the rapid movement loop of hydraulic cylinder differential connection 9.speed regulating valve short circuit speed switching circuit 10.speed control valve in series for access loop 11.speed control valve in parallel for access loop 12.reversing valve commutation circuit 13."o" type function valve lock loop 14.fluid control one-way valve locking loop 15.sequence valve to control the order of action loop 16.sequence valve control loop sequence of actions 17.pressure relay control loop sequence of actions 18.trip switch control loop sequence of actions 19.speed control valve to control the synchronous circuit.

We are offering Transparent Plc Trainer, Hydraulic Trainer, T-slot Type. typical training contents 1, manual valve for commutation circuit. 2, median function of valve lock loop. 3, hydraulic control valve latch circuit. 4, pressure settings loop. 5, two stage pressure control loop. 6, pressure reducing valve pressure reducing circuit. 7, pressurized cylinder pressurized circuit 8, h-type valve unloading loop. 9, oil inlet throttling speed control circuit 10, back to the oil throttle speed control loop. 11, variable speed gear pump reversing speed control circuit 12, speed gear pump and governor valve composite speed control circuit. 13, flow valve short circuit speed switching circuit 14, speed regulating valve in series two feeding way 15, speed regulating valve in parallel two feeding way. 16, sequence valve loop sequence of actions. 17, pressure relay valve loop sequence of actions. 18, trip switch control loop sequence of actions 19, trip valve loop sequence of actions. 20, series hydraulic cylinder synchronization circuit. 21, pilot type overflow valve control commutation circuit

We are offering Transparent Plc, Hydraulic Trainer, Stencil Type. Typical training contents 1, manual valve for commutation circuit. 2, median function of valve lock loop. 3, hydraulic control valve latch circuit. 4, pressure settings loop. 5, two stage pressure control loop. 6, pressure reducing valve pressure reducing circuit. 7, pressurized cylinder pressurized circuit 8, h-type valve unloading loop. 9, oil inlet throttling speed control circuit 10, back to the oil throttle speed control loop. 11, variable speed gear pump reversing speed control circuit 12, speed gear pump and governor valve composite speed control circuit. 13, flow valve short circuit speed switching circuit 14, speed regulating valve in series two feeding way 15, speed regulating valve in parallel two feeding way. 16, sequence valve loop sequence of actions. 17, pressure relay valve loop sequence of actions. 18, trip switch control loop sequence of actions 19, trip valve loop sequence of actions. 20, series hydraulic cylinder synchronization circuit. 21, pilot type overflow valve control commutation circuit

We are offering Plc Trainer and Pneumatic Trainer. Experiment contents 1) the role of a single-cylinder direct control; 2) a double acting cylinder speed control; 3) a double acting cylinder with the logic of direct control; 4) a double acting cylinder or the control logic; 5) a double acting cylinder with or logic indirect control; 6) a double acting cylinder with the logic function and delay control; 7) hands to operate (in series) loop control; 8) "two" operation (parallel) loop control; 9) has the interlock of the "two" stand-alone loop control; 10) delayed the return of single-reciprocating-loop control; 11) with double electric control valve for continuous back and forth loop control; 12) multi-cylinder, master valve is a single electronic control valve - the gas control loop delay sequence control; 13) cylinder over reciprocating electric - gas combined control loop control. 14) plc-controlled continuous round-trip loop. 15) plc control of the delay back to the single-reciprocating circuit.

We are offering Plc Trainer, Transparent Pneumatic Trainer , Stencil Type. Typical training contents 1, single-acting cylinder loop 2, double-acting cylinder loop 3, single-acting cylinder speed control loop 4, double-acting cylinder, one-way speed control circuit 5, double-acting cylinder, two-way speed control circuit 6, speed access circuit 7, buffer circuit 8, second pressure control circuit 9, high and low voltage conversion circuit 10, counting circuit 11, delay circuit 12, overload protection circuit 13, interlock circuit 14, single-cylinder single reciprocating control circuit 15, single-cylinder continuous reciprocating action circuit 16, straight cylinder, rotating cylinder sequence action loop 17, multi-cylinders sequence action loop 18, double cylinders, synchronized action loop 19, back to the cylinder linkage loop 20, unloading loop 21, or gate-type shuttle valve application loop 22 quick exhaust valve application loop.

We are offering Plc Trainer, Transparent Pneumatic Trainer , T-slot. Typical training contents 1, single-acting cylinder loop 2, double-acting cylinder loop 3, single-acting cylinder speed control loop 4, double-acting cylinder, one-way speed control circuit 5, double-acting cylinder, two-way speed control circuit 6, speed access circuit 7, buffer circuit 8, second pressure control circuit 9, high and low voltage conversion circuit 10, counting circuit 11, delay circuit 12, overload protection circuit 13, interlock circuit 14, single-cylinder single reciprocating control circuit 15, single-cylinder continuous reciprocating action circuit 16, straight cylinder, rotating cylinder sequence action loop 17, multi-cylinders sequence action loop 18, double cylinders, synchronized action loop 19, back to the cylinder linkage loop 20, unloading loop 21, or gate-type shuttle valve application loop 22 quick exhaust valve application loop.

We are offering Plc Trainer, Hydraulic Trainer, Pneumatic Trainer. Hydraulic training contents ★manual switching valve circuit; ★o, m pattern switching valve locked circuit; ★hydraulic single-direction valve locked circuit; ★pressure regulation circuit; ★2-stage pressure control circuit; ★pressure reduction valve circuit; ★pressure increasing cylinder circuit; ★h pattern switching valve discharging circuit; ★inlet oil throttle speed regulation circuit; ★circuit throttle speed regulation circuit; ★4-way switching valve circuit; ★flow valve speed switching circuit; ★speed regulation valve serial secondary feed circuit; ★speed regulation valve parallel secondary feed circuit; ★sequence valve sequence action circuit; ★pressure relay sequence action circuit; ★travel switch sequence action circuit; ★travel switching valve sequence action circuit; ★oil pump speed regulation circuit; ★oil pump and speed regulation valve combined speed regulation circuit; pneumatic training contents ★single-effect cylinder direct control; ★dual-effect cylinder speed control; ★dual-effect cylinder and direct control; ★dual-effect cylinder or control; ★dual-effect cylinder and & or indirect control; ★dual-effect cylinder and & delay control; ★hand operated (serial) circuit control; ★“remote” operation (parallel) circuit control; ★interlock “remote” independent operation circuit control; ★delay forward-back circuit control; ★dual-solenoid forward-back circuit control; ★multicylinder, single solenoid electric pneumatic control circuit delay sequence control; ★dual-cylinder forward-back electric – pneumatic control circuit.

We are offering Hydraulic Trainer, Pneumatic Trainer, Plc Controlled Integrated Trainer. Typical hydraulic training contents 1.single-stage regulator circuit 2.multi-stage voltage regulator circuit 3.decompression circuit 4.unloading loop 5.oil inlet throttling speed control circuit 6.oil return throttling speed control circuit 7.beside throttle speed regulating loop 8.the rapid movement loop of hydraulic cylinder differential connection 9.speed regulating valve short circuit speed switching circuit 10.speed control valve in series for access loop 11.speed control valve in parallel for access loop 12.reversing valve commutation circuit 13."o" type function valve lock loop 14.fluid control one-way valve locking loop 15.sequence valve to control the order of action loop 16.sequence valve control loop sequence of actions 17.pressure relay control loop sequence of actions 18.trip switch control loop sequence of actions 19.speed control valve to control the synchronous circuit typical pneumatic training contents 1, single-acting cylinder loop 2, double-acting cylinder loop 3, single-acting cylinder speed control loop 4, double-acting cylinder, one-way speed control circuit 5, double-acting cylinder, two-way speed control circuit 6, speed access circuit 7, buffer circuit 8, second pressure control circuit 9, high and low voltage conversion circuit 10, counting circuit 11, delay circuit 12, overload protection circuit 13, interlock circuit 14, single-cylinder single reciprocating control circuit 15, single-cylinder continuous reciprocating action circuit 16, straight cylinder, rotating cylinder sequence action loop 17, multi-cylinders sequence action loop 18, double cylinders, synchronized action loop 19, back to the cylinder linkage loop 20, unloading loop 21, or gate-type shuttle valve application loop 22 quick exhaust valve application loop.

We are offering Hydraulic Trainers, Pneumatic Trainers, Plc Controlled Integrated Trainers. Typical hydraulic training contents 1, manual valve for commutation circuit. 2, median function of valve lock loop. 3, hydraulic control valve latch circuit. 4, pressure settings loop. 5, two stage pressure control loop. 6, pressure reducing valve pressure reducing circuit. 7, pressurized cylinder pressurized circuit 8, h-type valve unloading loop. 9, oil inlet throttling speed control circuit 10, back to the oil throttle speed control loop. 11, variable speed gear pump reversing speed control circuit 12, speed gear pump and governor valve composite speed control circuit. 13, flow valve short circuit speed switching circuit 14, speed regulating valve in series two feeding way 15, speed regulating valve in parallel two feeding way. 16, sequence valve loop sequence of actions. 17, pressure relay valve loop sequence of actions. 18, trip switch control loop sequence of actions 19, trip valve loop sequence of actions. 20, series hydraulic cylinder synchronization circuit. 21, pilot type overflow valve control commutation circuit typical pneumatic training contents 1, single-acting cylinder loop 2, double-acting cylinder loop 3, single-acting cylinder speed control loop 4, double-acting cylinder, one-way speed control circuit 5, double-acting cylinder, two-way speed control circuit 6, speed access circuit 7, buffer circuit 8, second pressure control circuit 9, high and low voltage conversion circuit 10, counting circuit 11, delay circuit 12, overload protection circuit 13, interlock circuit 14, single-cylinder single reciprocating control circuit 15, single-cylinder continuous reciprocating action circuit 16, straight cylinder, rotating cylinder sequence action loop 17, multi-cylinders sequence action loop 18, double cylinders, synchronized action loop 19, back to the cylinder linkage loop 20, unloading loop 21, or gate-type shuttle valve application loop 22 quick exhaust valve application loop

We are offering Refrigerator Comprehensive Trainer. training contents 1.basic operation training for refrigeration system tools 2.refrigeration system pipe welding training 3.pressure and leak detection training of refrigeration system 4.refrigeration system vacuum pumping and charging refrigerant training 5.demonstration of refrigeration system workflow board training 6.electron temperature display and adjustment training 7.detection and analysis of the electrical system diagram 8.assembly of the refrigerator cooling system piping 9.intelligent temperature control refrigerator's control circuits electrical connection and debugging. 10.intelligent temperature control refrigerator control circuit electrical assessment, failure analysis and troubleshooting. 11.refrigerator cooling system fault diagnosis and maintenance 12.team coordinating organizational capacity 13.electrical identification diagrams and electrical design

We are offering Air Conditioning Trainer. Features 1. The equipment including air conditioning system installation, refrigeration system electric wiring, pressure leakage detection, vacuum, refrigerant charge, operating debug, contains all steps of refrigeration system maintenance and meets the demands of practical teaching, actual engineering training and vocational skill competitions 2. The equipment is designed in modular structure that electrical control system and refrigeration systems are divided, and it is installed testing terminals and all output connecting terminals in electrical system for students to independently conduct wiring, testing, running and other operations. 3. The training platform intuitively shows air conditioning system structure and working principles. The user can clearly see the refrigeration structure and major components. The system is also equipped with digital converter voltmeter, digital ac ammeter, vibration-proof pressure gauge, signal lights, etc, so that real-time work status of whole air-conditioning systems is clear at a glance. 4． the development of equipment makes project and task as training teaching with working process-oriented to improve students’ interest on training class. technical parameters 1 input power: single phase ac 220v +10% 50hz 2 operating environment: temperature -100c ~ 400c relative humidity ≤% (250c) altitude

We are offering Refrigeration Trainer, Heating Trainer. training contents 1. the air conditioner setting 10 common troubles, students need to search and test the troubles by detection. ø rectifier diode breakdown ø 7812 regulator tube breakdown ø indoor fan overheating protection disconnection ø transformer primary coil disconnection ø low voltage protection relay disconnection ø high voltage protection relay disconnection ø remote control receiving no + 5v ø main relay j5 contacts disconnection ø indoor fan j1 contacts disconnection ø four can valve relays j4 contacts disconnection ø four-way valve electromagnetic valve coil disconnection ø thermistors rt disconnection ø thermistors rt short circuit ø overheating overload protector disconnection ø compressor startup capacitance disconnection 2. the refrigerator setting 8 common troubles, students need to search and test the troubles by detection. ø power supply open circuit ø over-heat and over-load protection ø ptc starter short circuit ø light broken ø door switch broken ø thermostat damaged 1. in refrigeration system fault setting had ice plugging, dirty plugging, compressor high-low-voltage mixes up2. can be convenient to add and decrease refrigerant. it can expediently control refrigerant quantity by two switches, massively saves practice cost and reduce the practice fee.

We are offering Dual Door Refrigerator Trainer. On the picture, the left is the directly-refrigerating refrigerator, and the right is the wind-refrigerating refrigerator, students can carry out faults settings, detection and refrigeration fundamentals operation training, so it is suitable for professional laboratory and training base training and test. features 1. Direct-refrigerating and wind-refrigerating structure is adopted in refrigerator training and test; 2. Suitable for primary, intermediate professional industrial training test; 3. On refrigeration pipes, valves are installed, to make it easy to add cryogen and vacuumize training operation; 4. By faults settings board, you can carry out system and circuit faults settings; 5. Horizontal structure and transparent organic glass; 6. With pressure meter and thermometer, to display refrigeration system operation status and parameters.

We are offering Transparent Refrigerator Trainer. the equipment adopts simulation design according to refrigerator structure, and it consists of a refrigerating compressor, a condenser, evaporator, a capillary, high and low pressure meters and etc.. the shell is made of transparent organic glass.it is suitable for teaching and training in vocational schools, engineering institutions and other refrigeration professional. technical parameters power supply: single phase three line 220v + 5% 50hz safety protection: leakage protection ( action current is less than or equal to 30ma ), over-current protection, fuse protection dimensions: 700 x 500 x 500mm rated power: 0.85kw refrigeration: refrigerating capacity 530k refrigerant: f12 environment temperature: 10 ~ 40 relative humidity: the weight of the equipment: 35kg

We are offering central air conditioner trainer. It owns one 3p water-cooling machine unit, one cooling water system, one water freezing system and one automatic central air-conditioner control system. In the terminal, there are one simulating lobby and one simulating guest room. One water collecting facility and one water distributing facility will distribute and adjust the amount of coolness. One simulating boiler is applied to provide heat to central air-conditioning system. The central air–conditioner adopts plc and industrial bus control, and computer to communicate with plc to control operation of air-conditioner, which also can be remotely controlled through network, parameters for real-time display and monitor on computer are collected by sensors and converters.

We are offering warehouse refrigeration system trainer. It is composed of electrical controller, refrigeration system and real warehouse; the electrical controller is composed of mitsubishi plc controller and touch screen, relevant control elements and components. Students can make programming, on the touch screen, they can demonstrate system working processes, also they can finish cryogen injection and reclaim in the system to improve their operating capabilities. Features 1. With a real refrigerating store; 2. Suitable for technicians and senior technicians training; 3. Electric traction control circuit and plc control circuit, 2 control modes; 4. Safe circuit wiring training; 5. 10.4” full color touch screen for students training; 6. Electrical control operation board and system flowchart board; 7. With pressure meter and thermometer; 8. Pressure, temperature sensor and sample module; 9. Group software, pc programming training. Technical parameters: power supply: 380v, 50hz. Dimensions: 2000*2000*2000mm. Total capacity: 2800w.

We are offering split process control trainer. Training contents level control station 1.single-loop single-tank water features test 2.single-loop single-tank water level control 3.single-loop dual-tank features test 4.single-loop dual-tank water level control 5.tank level and the level cascade control flow control station 1.valve flow characteristic test 2.valve slip flow control 3.pump slip flow control 4.single closed-loop flow ratio control 5.dual closed-loop flow ratio control temperature control station 1.hot water tank object characteristic test 2.static water temperature control 3.dynamic temperature control 4.radiator outlet water temperature control 5.hot water temperature on-and-off control 6.radiator outlet and hot tank water temperature cascade control pressure control station 1.first-order pressure object characteristic test 2.second-order pressure object characteristic test 3.first-order pressure object single-loop control 4.second-order pressure object single-loop control 5.pressure and pressure series-level control of pressure object level control station + flow control station 1.cascade control system of tank level and flow of electric control valve 2.tank level and pump slip flow cascade control system 3.feedforward - feedback control system of tank level flow control station + temperature control station 1.water temperature of hot water tank and circulating water flow rate cascade control 2.radiator outlet water temperature and water flow cascade control 3.radiator outlet temperature hysteresis control 4.hot water temperature feedforward - feedback control 5.decoupling control of hot water tank and radiator outlet water temperature level control station + flow control station+ temperature control station 1.decoupling control of water temperature and level.

We are offering advanced process control trainer. Experiment contents hr-606 laboratorial device can complete a series of control experiments based on multivariable advance control. The following regular control experiments will be achieved. Ø experiments to understand the constitution of process control n constitution of process control, understanding the hardware and signal connection n operation and parameter setting of the intelligent regulating, the transmitting and the other instruments. N correcting of the transmitter(zero point transport and span adjustment) n flow characteristic test of the motordriven control valve n flow characteristic test of the frequency speed controlled danish pump. Ø level control experiment series n single-loop pid control of branch flow adjusted by the motordriven control valve n single-loop pid control of branch flow adjusted by the frequency speed controlled pump n mono closed-loop ratio control of two branch flows vs. Double closed-loop ratio control n characteristic test of mono tank object and single-loop pid control n characteristic test of double tanks object and single-loop pid control n cascade control between the upper tank and the lower n on-off control for mono or double tank’s level n fuzzy control for mono or double tank’s level n override control for the upper and the lower tank’s level ø temperature control experiment series n characteristic test of temperature object of the internal bladder n single-loop pid control for the internal bladder’s temperature n characteristic test of temperature object of the jacket n single-loop pid control for the jacket’s temperature n cascade control for temperature between the jacket and the internal bladder n on-off control for temperature of the jacket or the internal bladder n fuzzy control for temperature of the jacket or the internal bladder n override control for temperature of the jacket or the internal bladder it also involves some complex control experiments with characteristic specified as below, ø characteristic testing and multivariable control of four tanks level object n acquisition of multiloop level object of the lower two tanks n multiloop control of the lower two tanks level n feedforward-feedback control of the lower two tanks level n selection control of the lower two tanks level n decoupling control of the four tanks level n constrained control of the four tanks level n multivariable predictive control of the four tanks level.

We are offering microwave teaching equipment, test content： frequency, power, wave transmission and wavelength, vswr, impedance, attenuation frequency range： 8.2～12.4ghz waveguide flange： fb-100 22.86×10.16(mm2).

We are offering Microwave Antenna Measurement System. test content： antenna gain, aspects of the antenna frequency range： 8.2～12.4ghz

We are offering Gsm Mobile Communication System Experiment Kit. Experiment contents experiment apparatus structure and man-machine interface experiment orthogonal modulation and demodulation experiment gmsk modulation and demodulation experiment spectrum analysis principle and experiment basic coding and decoding method experiment channel coding method experiment in gsm system interleave and deinterleave experiment fdd, tdma principle and experiment mobile station network access experiment mobile station call experiment mobile station called experiment mobile station technology index and test experiment.

We are offering Cdma Mobile Communication Principle Experiment Kit. experiment contents (1) gold sequence characteristic experiment (2) acquisition and tracking experiment of gold sequence (3) spread spectrum and despread spectrum experiment (4) carrier extraction experiment (5) psk modulation and demodulation experiment (6) bit synchronization extraction experiment (7) frame synchronization extraction experiment (8) error correction encoding experiment (9) cdma mobile communication system experiment.

We are offering Gsm Dcs Mobile Telephone Testing System. experiment contents (1) system testing 1) network testing 2) mobile phone calling 3) base station calling 4) communication testing (2) synchronous testing 5) sudden spectrum testing 6) phase error testing 7) frequency error testing 8) sudden timing error testing 9) average power testing 10) power envelope testing 11) sensitivity testing 12) receiving quality testing (3) asynchronous testing 13) sudden spectrum testing 14) phase error testing 15) frequency error testing 16) average power testing 17) power envelope testing (4) current testing 18) standby current testing 19) communication current testing

We are offering mobile communication principle experiment kit. Experiment contents-: modulation and demodulation part (1) msk modulation and demodulation experiment (1) gmsk modulation and demodulation experiment (2) qpsk modulation and demodulation experiment (3) oqpsk modulation and demodulation experiment (4) dqpsk modulation and demodulation experiment (5) π4dqpsk modulation and demodulation experiment cordless telephone system (6) channel distribution experiment (7) user line signaling and cordless telephone experiment (8) receiver experiment (9) transmitter experiment (10) pll frequency synthesizer experiment (11) duplexer experiment (12) cordless telephone mobile communication system experiment cdma system (13) gold sequence characteristic experiment (14) acquisition and tracking experiment of gold sequence (15) spread spectrum and despread spectrum experiment (16) carrier extraction experiment (17) psk modulation and demodulation experiment (18) bit synchronization extraction experiment (19) frame synchronization extraction experiment (20) error-correction coding and decoding experiment (21) cdma mobile communication system experiment.

We are offering fiber communication principle experiment kit. Experiment contents-: optic fiber communication system electronic interface experiment (1) user telephone interface experiment (2) pcm coding and decoding experiment (3) false sdh frame signal basic experiment (4) time division multiplexing and demultiplexing experiment (5) computer data transmission system experiment optic source and optic modulation and demodulation experiment (6) digital modulation principle experiment (7) semiconductor laser p-i characteristic test experiment (8) led p-i characteristic test curve (9) optic device life detection and no light alarm experiment (10) optic transmitter performance test experiment (11) optic electronic detector characteristic test experiment (12) optic receiver principle experiment (13) digital optic receiver performance test experiment analog signal optic fiber transmission experiment (14) analog signal optic fiber transmission experiment (15) analog base-band signal transmission distortion and compensation experiment (16) image optic fiber transmission system experiment digital signal optic fiber transmission experiment (17) bit-synchronization signal extraction and code-speed conversion experiment (18) frame-synchronization signal extraction experiment (19) optic fiber circuit interface code pattern hdb3 coding and decoding experiment (20) optic fiber communication system circuit scrambling and descrambling experiment (21) optic fiber communication system circuit code pattern cmi coding and decoding experiment (22) optic fiber communication system circuit code pattern 5b6b coding and decoding experiment (23) optic fiber communication system circuit code pattern 5bip coding and decoding experiment (24) optic fiber communication system circuit code pattern 5bic coding and decoding experiment (25) telephone optic fiber transmission system experiment (26) digital signal optic fiber transmission experiment optic fiber communication network and new technology experiment (27) optic fiber ring network synchronization technology experiment (28) speech+ image optic fiber transmission system comprehensive experiment (29) speech + image + data optic fiber transmission system comprehensive experiment (30) optic fiber communication system comprehensive experiment (31) wave-division multiplexing technology experiment optic fiber communication system measurement technology experiment (32) multi-mode optic fiber loss test experiment (33) single-mode optic fiber bending loss test experiment (34) optic fiber connector loss test experiment (35) splitter insertion loss and spectrum ratio test experiment (36) wave-division multiplexer insertion loss and optic crosstalk test experiment (37) system eye diagram, jitter test experiment (38) circuit code-pattern error-code monitoring and error-code dispersion experiment (39) system error-code ratio test experiment secondary development experiment (40) m sequence program design (41) code-pattern hdb3 coding and decoding design of optic fiber communication system circuit’s interface (42) scrambling and descrambling program design and its optic fiber transmission experiment (43) cmi coding and decoding design and its optic fiber transmission experiment (44) 5b6b coding and decoding design and its optic fiber transmission experiment (45) 5b1p coding and decoding design and its optic fiber transmission experiment (46) 5b1c coding and decoding design and its optic fiber transmission experiment

We are offering radio frequency training kits. Experiment contents the experiment system includes three parts: the first part is unit circuit verification experiment part, which is required to complete the verification experiments of each unit circuit; the second part is system experiment part , which is required to complete experiments of radio frequency front-end emitting, radio frequency front-end receiving and image transmission system; the third part is secondary developing experiment part, which includes the use of advanced design system (ads) simulation software( due to involving intellectual property, please purchase ads software by yourself), the practical operation and the adjustment of carrier in image transmission system.

We are offering high speed baseband data error tester. 300kbs～1300mb continuous data rate, error test , prbs graphics, compatible with mulitiple modulations tunable data and clock delay.

We are offering pcm comprehensive tester. Bit rate:2.048mbs±50ppm, external clock error test of frame and non-frame signal test code pattern：ami, hdb3 bit, fram bit, coding, crc error test.

We are offering Sdh Pdh Digital Transmission Analyzer. Error and warning analysis of sdh／pdh sdh test rate：155.520mhz、622.080mhz、2488.320mhz accuracy：±4.5ppm pdh test rate：2.048mhz、 8.448mhz、34.368mhz、 139.264mhz accuracy：±7ppm stm-1, stm-4, stm-16 optical interface and transmission test.

We are offering Voatm Analyzer. Ss7, isdn simulation, monitor gsm monitor line monitor, statistical analysis filtering, tracking, trigger line interface：2mb/s interface（75ω、120ω）、v.35、rs232、 isdn bri/pri interface.

We are offering Ethernet Tester. performance analysis、flow monitoring、protoco analysis and simulation 10m/100m/1000m rj-45 interface or 1000m fibre-optic interface encoding and decoding of mpls、vlan、ipv4、ipv6 protocols.

We are offering Telecom Analyzer, Data Communication Analyzer. suitable for 50b/s～2.048mb/s pcm and data communication test suitable for v.24、v.35、rs449、v.11、x.21、g.703 test interfaces error test and warning detection under state of online or interruption

We are offering Rf Agile Signal Generator. pn:0310010010a frequency range: 252khz ~ 2060mhz frequency resolution: 0.01hz leveling power range: +13 dbm ~-110dbm fast frequency hopping accuracy: ± 2ppm ssb phase noise: -123dbc/hz @ 20khz (1ghz carrier ) fast frequency-hopping in microseconds built-in digital synthesis modulation sources modulation:am、fm 、pulse modulation and combined modulation sweep mode: step, frequency hopping , continuous phase

We are offering Microwave Synthesized Swept Signal Generator. frequency: 0.01ghz ~ 8ghz (0310010050a) 0.01ghz ~ 20ghz (0310010050b) 0.01ghz ~ 40ghz (0310010050c) frequency resolution: 0.1hz power range: +10 dbm ~-110dbm ssb phase noise: -90dbc/hz @ 10khz (10ghz carrier) modulation:am、fm、pm and in-pulse fm.

We are offering Rf Synthesized Signal Generator. main technical parameter frequency range: 250khz ~ 4ghz frequency resolution: 10mhz power range: +7 dbm ~-136dbm ssb phase noise: -116dbc/hz @ 20khz (1ghz carrier) modulation: fm、am and pulse modulation built-in modulation signal generator high frequency accuracy and spectral purity

We are offering 50ghz Spectrum Analyzer. frequency range: 3hz ~ 40ghz (0310020030a); 3hz ~ 4ghz (0310020030b); 3hz ~ 8ghz (0310020030c); 3hz ~ 13.2ghz (0310020030d); 3hz ~ 18ghz (0310020030e); 3hz ~ 26.5ghz (0310020030f); 3hz ~ 43ghz (0310020030g); 3hz ~ 50ghz (0310020030h) resolution bandwidth: 1hz ~ 8mhz noise sidebands(1ghz carrier): -114dbc/hz @ 10khz frequency count resolution: 0.001hz typical displayed average noise level:-152dbm 1db gain compression point: +3 dbm (typical value) toi(typ): +16 dbm gpib, usb, lan, serial interfaces

We are offering Handheld Microwave Spectrum Analyzer. Frequency range: 1mhz ~ 18ghz resolution bandwidth: 1hz ~ 3mhz displayed average noise level:-127dbm noise sideband(1ghz carrier ): -93dbc/hz @ 30khz; -103dbc/hz @ 1mhz weight 6kg, operation time for battery is about 2 hours.

We are offering 18ghz Hand-held Antennam, Transmission Line Tester. Frequency range: 50mhz ~ 18ghz frequency accuracy: ± 2 × 10-6 frequency resolution: 10hz function: vswr, return loss, impedance, dtf (fault location) supporting usb memory expansion battery that can operate more than 4 hours.

We are offering 110ghz Scalar Network Analyzer. Frequency range: 10mhz ~ 110ghz (depending on detector) channel dynamic range:-50dbm ~ +20 dbm function:transmission loss, return loss, vswr real-time calibration and zero adjustment absolute power measurements.

We are offering 40ghz millimeter wave noise figure analyzer. Frequency range: 10mhz ~ 40ghz, measurement bandwidth: 4mhz, 2mhz, 1mhz, 400khz, 200khz, 100khz noise figure measurement range: 0 ~ 30db; uncertainty: 0.15db (enr: 5 ~ 7db); 0.3 db (enr: 14 ~ 16db) gain range: -20 ~ +40 db; uncertainty: 0.17db jitter.

We are offering 18ghz microwave comprehensive tester. Spectrum analysis: 9khz ~ 18ghz resolution bandwidth: 1khz ~ 3mhz (for 1, 3, 10) synthesized signal source: 10mhz ~ 18ghz; frequency resolution: 1hz power measurement: 10mhz ~ 18ghz power range: +20 dbm ~-60dbm frequency measurement: 10mhz ~ 18ghz modular design, easy to carry suitable for field and site maintenance.

We are offering satellite communication integrated tester. Spectrum analysis: 9khz ~ 18ghz synthesized signal source: 10mhz ~ 18ghz; frequency resolution: 1hz power meter frequency range: 10mhz ~ 18ghz power range: +20 ~-55dbm frequency counter: 50khz ~ 18ghz network analyzer (transmission measurement) satellite communications ground station testing phase noise test function.

We are offering digital oscilloscope. dual channel, 500mhz bandwidth sampling rate：2gsas（0310080010a）；1gsas（0310080010b） memory length： 2mptsch windows ce operation system 16 standard communication pulse templates gpib, rs232, parallel, usb interfaces.

We are offering digital signal analyzer, analog signal analyzer. Real-time bandwidth of analog channel： 100mhz(0310080030a), 25mhz(0310080030b) max sampling rate： 500msas(0310080030a), 100msas(0310080030b) spectrum analysis bandwidth： 100mhz(0310080030a), 25mhz(0310080030b) frequency resolution:10khz max code rate of digital channel:50mbs storage depth：512kbchannel.

We are offering Electrician Trainer. Electrician experiment table is applied for electric type specialized field with students electrician grouping experiments of professionmechanic school. It can be complete direct current circuit, alternating current circuit、 electromagnetic、 circuit 、three phase alternating current、three phase machine and steering circuit 30 items and so on. After extend by line interface unit board, accomplish exchange technique 、electric drag auto regulation system and so on, it can also do by oneself plait experiments circuit for development.

We are offering Electrical Trainer. Electric trainer is widely used in vocational and technical institutions and technician training schools. It is used in electro-technical, electronic & electric traction trainer majors for group experiment, teaching demonstration and real operation training. It can complete over 300 electro-technical and electronics basic experiments and over 30 real electrician operation practice projects.

We are offering Motor Trainer, Electrical Control Trainer. Training contents 1. Measuring the feature of dc generator 2. Measuring the feature of separately excited dc motor 3. Speed regulation characteristic research of separately excited dc motor 4. Measuring series excitation, compound excitation dc motor mechanical features 5. Researching single phase transformer operating characteristic 6. Single phase transformer parallel operation； 7. Three phase transformer link recognition and connect line 8. The working performance research of three quirrel cage asynchronous motor 9. Measuring the mechanical features of three quirrel cage asynchronous motor 10. Operating characteristic research of three phase wound rotor motor 11. Operating characteristic research of capacitor split-phase single phase asynchronous motor 12. Operating characteristic research of three phase synchronous motor 13. Three phase asynchronous motor reversible control circuit 14. Working station automatic go and back cycle control circuit 15. Three phase synchronous motor sequential control circuit； 16. The y－δ control circuit of three phase synchronous motor 17. Three phase synchronous motor dynamic braking circuit 18. Three phase wound rotor type synchronous motor starting and control circuit 19. Electrical control circuit of c620 lathe 20. Electrical control circuit of m7130 surface-grinding machine

We are offering digital circuit experiment kit. (1) full openness of hardware platform, it not only could complete basic experiments, but also various design experiments, as well as be the platform of innovative experiments or scientific research & development. (2) it has many common used tools, such as dc power supply, signal source, imported bread board, cymometer, logic pen and so on, which could fully meet requirements of various experiments. (3) the experiment contents are abundant and close to textbook with reasonable arrangement, which could better enlighten users’ thinking, broaden their mind, and strengthen their understanding to the theoretical knowledge.

We are offering analog circuit experiment kit. The experiment apparatus is tightly close to such teaching syllabus as analog electronic technology basis and etc, experiment contents are abundant, which could fully meet the teaching requirements of courses about analog circuit on electricity major among colleges and universities. (1) the experiment apparatus is divided as modules with clear layer; principles of every module have been drawn on the surface of experiment apparatus, which is convenient for users to enhance recognition and understanding. (2) the experiment apparatus adopts discrete components design; the circuit is connected by the way of connection wire with good openness, which is convenient for users to build up circuit by themselves, therefore it provides operational abilities as well as practical circuit analysis abilities. (3) the experiment contents are abundant, which include not only basic unit experiments, but also system comprehensive experiments. Because the complete openness of hardware, it could open many secondary development experiments. (4) the conversion of ad and da could be used for pc in controlling and displaying conversion results.

We are offering circuit analysis experiment kit. Experiment contents (1) application of common electrical apparatus and method of reducing apparatus’ measurement error. (2) simple test of common circuit components (3) research on volt-ampere characteristic of circuit components (4) basic measurement of circuit (5) kirchhofff’ s law (6) superposition theorem (7) reciprocity theorem (8) thevenin theoremnorton theorem (9) equivalent conversion of voltage source and current source and the maximum power transmission theorem (10) characteristic research on controlled source (11) response and application of rc first order circuit (12) observation and measurement of typical signal (13) frequency response and frequency selective network characteristic test of rc circuit (14) rlc serial resonance circuit (15) determination of rlc component impedance characteristic (16) two-port network (17) response and its test of second order dynamic circuit (18) negative impedance converter (19) gyrator

We are offering pcb prototyping. Technical parameters processed side : singledouble side maximum working area（cm） : 30×30 minimum linewidth（mil）: 6 minimum linear distance（mil）: 6 driving mode : stepping motor working speed（mmin）: 4.8 circular guideway linear guideway spindle speed （rmin）:0-60000 stepless adjustable spindle power（w）:95 spindle motor variable-frequency motor drilling aperture（mm）:0.4-3.175 drilling rate (strokesmin):100 transmission mode : import ball bearing screw control mode : arm power supply: ac220v 50hz operating system: win2000ntxpvista minimum memory setup（mb）:256 weight: 100kg.

We are offering film laminating. Technical parameters 1.external measurement: 840×700×530（mm） 2.film coating speed: 200-1600mmmin can set tectorial speed and temperature according to different thickness of film. 3.film coating width: 340mm 4.power supply: 220v120a power consumption: 650w 5.heating-up time:10 minute 6.heating system: heating inside rubber roller technology. Higher heating effeciency and safer systerm for technical quality 7.operable temperature: 150℃ 8.control mode: temperature control and speed control by touchable key pressing 9.simple operation, 8-bit microprocessor control system, touchable keyset control, liquid crystal display.

We are offering Semi Auto Pitch Printer. main feature 1.using microcomputer control, lcd monitor, menu operation interface, 2.floating scraper（like automatic printer, scraper can float up and down freely and adjust the position with steel mesh.） 3.scraper pressure adjustable 4.there be segmental action when steel mesh leave out of pcb, with 0-5 seconds adjustable.( like automatic printer , steel mesh demould slowly within 2 seconds, than rise and leave pcb quickly which avoid occurring wire-drawing.safe time and improve productive efficiency.) 5.press key by two hands for safe 6.there is time display, automatic counting of printing times, screen save function in the menu 7.pcb can be fixed by basic hole , reference edge and so on. 8.have emergency stop and scraper speed adjustable function. technical parameters 1.circuit board size: 300×300mm 2.circuit board thickness: 0.2-2.0mm 3.printing table fine-tuning: x-axis ±10mm, y-axis ±10mm 4.printing accuracy: ±0.05mm 5.duplicate orientation precision: ±0.02mm 6.minimum spacing of printing: 0.35mm 7.power supply: 220v 100w 8.air supply: 0.4-0.6mpa 9.volume （1×w×h）:900×900×1650mm 10.weight: 250kg

We are offering Cnc Lathe Trainer, Cnc Milling Trainer. training contents circuit installation of cnc lathe cnc system parameters setup and adjustment pmc programming design of lathe and milling machine servo parameter setup cnc lathe batch commissioning cnc programming and machining exercise cnc fault maintenance and diagnosis training professional skill identification and assessment of cnc assembler and calibrator mechanical disassembly and assembly and accuracy detection training.

We are offering Cnc Mini Lathe. This cnc precision mini lathe is designed to perform various types of processing jobs.counter face and curved surface turning, drilling, boring , and cutting jobs on materials made up of round bar and bar materials can be performed with this machine.this machine can be used in areas such as mini precision parts processing, sample processing and modeling works. this machine is dc motor drived. the feed speed can be adjusted according to the requirements of different workpieces, the maximum feed speed can be reached to axes z:3m/min, axes x:2m/min. the spindle speed is infinitely variable from 100 to 2500/300/3500rpm.

We are offering Precision Cnc Lathe Machine. Description: working range max.swing over bed mm φ250 standard manufacturing dia mm φ35 standard manufacturing length mm 220 travel max travel x mm 250 z mm 230 feed max speed x mm/min 15000 z mm/min 15000 accuracy repositioning accuracy x mm 0.005 ±0.003(jis) z mm 0.005 ±0.003(jis) spindle speed r/min 120-6000 thru-hole diameter mm φ46mm nose a2-5 inside taper taper(1:20)leger end55 spindle motor kw 2.2/3.7 power tool specifications boring tool seat φ25 tuming tool seat □12*12 single tool seat □12*12 general electric power supply kwa 7.5 net weight kg 1400 overall dimension(l*w*h) mm 1700*1200*1580.

We are offering cnc milling machine. Specification-: unit main technical parameters 0407040010a 0407040010b x-axis travel mm 1000 1000 y-axis travel mm 600 600 z-axis travel mm 500 500 spindle nose to table mm 150-650 150-650 spindle center to column guide-way face mm 655 655 high speed feeding of x, y axis mmmin 15000 15000 high speed feeding of z axis mmmin 12000 12000 feeding speed mmmin 1-5000 1-5000 table size mm 600×1300 600×1300 max.loading capacity of table kg 850 800 t-slot no.widthdistance of table 518125 518125 spindle max.speed rmin 8000 8000 main motor rated power kw 7.511 7.511 spindle nose taper bt40 bt40 magazine capacity pc 16 magazine type umbrella type max.diameter of tools mm φ80 max.length of tools mm 300 max.weight of tools kg 6 positioning accuracy mm 0.02 0.016 re-positioning accuracy mm 0.012 0.01 pneumatic press mpa 0.6 0.6 n.w kg 6200 6500 overall dimension mm 2920×2930×2530 2920*2930*2530

We are offering hydraulic hacksaws. Mainly used for cutting a variety of material whose hardness is less than hrc35, including black, non-ferrous metal bar, billets, profiles, pipes. A narrow saw cut, material saving, energy saving, cutting and high precision, easy operation, high efficiency, good rigidity, etc.