R A C Exports - Electrical & Electronic Testing Devices

Our Complete range of products are PLC TECHNOLOGY TRAINER, COMMUNICATION SYSTEM TRAINER, Sine Square Oscillator, ANALOG - DIGITAL TRAINER and Frequency Counter.

PLC TECHNOLOGY TRAINER

Salient Features

Aesthetically designed injection moulded electronic desk (master unit) carrying useful
PLC resources like opto-isolated outputs (Relays & solid state) as well as inputs with LED indications for output simulations or switches for input simulation.
Built in Analog I/O channels with potentiometer for AI simulation.Connection through sturdy 4mm Banana sockets & Patch cords
Useful to demonstrate and understand working principles behind PLC technology.
Students workbook & Instructors Guide provided with each unit.

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COMMUNICATION SYSTEM TRAINER

Salient Features

Can learn and experiment about variety of communication mediums ( AM, FM, FO, Wired ) & methods (Modulation / Demodulation Analog/Digital )
Covers Analog communication , Digital communication , Fiber optics characteristics as well as communication , Wired communication through various modular experiment panels.

TECHNICAL SPECIFICATIONS OF MASTER UNIT
CommunicationMedium	FM (Wireless)	AM (Wireless)	Fiber Optics
Transmitter a) Carrier b) I/P Ampl. I/P Freq. c) Power O/P	Factory Tuned to 98 MHz with built in FM(VCO)	500KHz to 1.5MHz	TTL BW - 50KHz Analog BW - Audio
	0-5 Vpp (digital) Audio range.	0-5 Vpp (digital) Carrier modulated i/p(audio range)	0-5 Vpp (digital) Modulated i/p (audio)
	100mW
Receiver	External 5 BS5 for antenna connection, 2nd IF i/p, 2nd IF o/p , speaker & Audio amplifier, AM/FM Select switch, L/S impedance 8 ohm / 0.5 W		Detector (tr=8uS ) Separate BS5 socket for Digital ,AC coupled & TTL ops.
Controls (Man)	Settable 88 MHz to 108 MHz	Gain control Settable from 0 to 4.5V	Transmitter bias Control.
Antenna / Transmission	Telescopic antenna		1m plastic fiber cable, CRT-1.492, NA-0.5,l�660nm, step index, terminated with SMA connector.

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Sine Square Oscillator

Frequency Range1 Hz to 1 MHz in 6 Decade Range
Dial Accuracy3% of Range
Wave FromSine & Square Wave
Output VoltageSine Wave 0-10 V in 3 Decade Step of 10 V, IV & 0.IV with Consciously Variable control
Square Wave 0-15 V P/P Continuously VariableSine Wave Distortion
Less than 0.5% from 100 Hz to 100 KHzSquare Wave Rise Time
Less than 100 nano seconds at maximum outputSquare Wave Symmetry
Duty Factor Variable From 0% To 80%Output Impedance
600 Ohm 5%Power

Sine square is audio oscillator that is used to produces different types of waveforms such as triangle, sine and square. These instruments are widely used for testing products having digital display such as most common HDTV displays including plasma, LCD, TFT, CRT, DLP, GLV and OLED. Available in variety of specifications, we offer Sine Square at the most reasonable price.

These are offered with the following technical specifications:

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ANALOG - DIGITAL TRAINER

Specifications

Aesthetically designed injection moulded electronic desk / Master unit carrying useful experiment resources like variable.
Power supplies / Status Switches / Indicator probe / Pulsar / Function Generator DPMs etc.
Connection through study 4mm Banana Sockets & patch cords.
Built in bread board panel with 1280 tie points and 400 distribution points totalling to 1680 points along with 4mm banana sockets for tapping from the trainer +5V, +/-12V/ GND for the circuits to be assembled on bread board using single stand (#22/24) wire.

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Frequency Counter

Frequency Counter

Salient Features

Wide Frequency range: 2 Hz to 50 MHz.
Built-in STOPWATCH to measure duration(max. 27 Hrs.) between two optically isolatedstart/stop events with resolution of 1msec.
8 digit 0.5" bright red display with accuracy of + 1 count + stable crystal controlled time baseaccuracy.
I/P voltage 300 Vpp max.Selectable attenuator of X0.1(High voltage, low frequency)/ X1/ X10/ X50 (low amplitude, highfrequency).
Sensitivity of 50 mVpp min two separate inputs with sensitivities of 250 mVpp and 50 mVpp min.
Input impedance of 1M?.
Useful for testing and measurement in the laboratory and on field.

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Advance Power Electronics Trainer

Advance Power Electronics Trainer

Salient Features

Each of following advance PE trainer may need a few set of associated panels (4 nos. typically) which are mounted in a light weight sturdy aluminum flat demo panel system.
Facilitates easy and safe wiring by students due to 4mm sturdy shrouded banana patch cords and shrouded socket arrangement for high voltage circuits.
Each panel has ABS molded plastic sturdy enclosure, and colorful screw less overlays showing circuit diagram & its connection tag numbers for easy understanding and connections.
Set of Instructor Guide & Student Workbook.

Mechanical specifications:
1. Auminum rack: of 1* 4 matrix used as flat panel demo panel system to house 4 panels needed for the trainer ordered.2. Dimensions :500(H)*910(L)*300(D)mm

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Electrical Machine Trainer

ELECTRICAL MACHINE TRAINER

Features

Speed torque curves of Shunt motor, DC series motor, DC compound motor & Separately excited DC motor.
DC separately excited generator.
DC compound generator.
Armature resistance starter & SCR based soft start mechanism.Speed torque curve of wound rotor induction motor with rotor shorted & with different rotor resistance.
Speed torque curves of rotor short induction motor.
DOL/Star- Delta starters, rotor resistance starter.
Synchronous motor/ generator, V-I curve of Synchronous generatorSpeed torque curves of split phase induction motor.
Capacitor start with rotor shorted.
Capacitor start, capacitor run type with rotor shorted.
V-I curves of synchronous single phase generator with excitation at rotor rings.
Speed torque curves of Universal motor.
Speed torque curves of Shaded pole motor