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We offer a complete product range of Outdoor Temperature Sensors, Particulate Sensor, Duct And Immersion Building Automation Temperature Sensor, Immersion Temperature Sensors and Wall Mount Temperature Sensor
Outdoor Temperature Sensors
Series TE-OND/TE-RND/TE-OSA Outdoor Temperature Sensors
Protection Against Radiated Heat, Weatherproof Housing
The Series TE-OND/TE-RND/TE-OSA Outdoor Air Temperature Sensors are offered in two different configurations to increase measurement accuracy by reducing radiated heat effects. For applications where the north side of the building is accessible, the TE-OND/TE-OSA can be used to protect against low levels of radiated heat. If the sensor must be mounted in direct sunlight or a more precise measurement is required, our six plate radiation shield mounts over the temperature probe. The TE-RND radiation shield models can be surface or pipe mounted. All models include removeable terminal blocks to simplify wiring.
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Delivery Time : 4-6 WEEK
particulate sensor
series pms particulate sensor
reliable operation, minimal maintenance
the pms particulate sensor employs a field-proven combination of passive-induction and protected-probe technologies. As particles flow near and around the probe, minute currents are dynamically induced into the probe by flowing particulate. A dsp processes the signal into an absolute output that is reasonably linear to mass. Protective layers over the probe work in combination with induction-sensing to ensure reliable operation with all types of particulate including moist powders and highly conductive dusts. Maintenance is minimal and there is no need for an air purge. For durability, the sensors are passive and free of electronics. The pms particulate sensor is designed to be used with the dpm particle monitor in order to be intrinsically safe.
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Duct And Immersion Building Automation Temperature Sensor
Series TE Duct and Immersion Building Automation Temperature Sensor
Available up to 18" Probe Length, Thermistor or RTD Outputs
The Series TE Duct and Immersion Temperature Sensor can be used to monitor air or water temperature throughout a building management system or an air handler unit. Flanged duct sensors monitor the supply or return air and provide a thermistor or RTD output to the digital controller. Immersion sensors which are supplied with compression fittings are typically used to monitor the hot or chilled water lines throughout a building. Thermowells are recommended, but not required on the immersion sensors.
For variable air volume applications, the Series TE can be configured to have 8' plenum rated cable with flying leads. Standard units come with 4" leads with an integral terminal block to eliminate carrying extra wire nuts. For housing models, multiple knockouts provide easy conduit access to any side of the housing. The 1/4 turn lid comes with a chain to prevent it from being lost during installation.
For models with resistive thermistors or RTD outputs, please click here for temperature to resistance lookup tables.
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Immersion Temperature Sensors
Series TE-I Immersion Temperature Sensors
Integral Mounting Connection, Welded Thermowells
The Series TE-I Immersion Style Temperature Sensors accurately measure water temperature inside chilled and hot water loops in HVAC systems. Thermowells are required to protect the electrical connection from the process water and to allow replacement of the sensors without draining the system.
For models with resistive thermistors or RTD outputs, please click here for temperature to resistance lookup tables.
Place your order for the immersion temperature sensors by using our Product Configurator, select one of the IBN, IBG, IBW, ITN, ITG or ITW housing options. Duct housings are also available on this configurator.
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Wall Mount Temperature Sensor
Series TE-E/N Wall Mount Temperature Sensor
Discrete Wall Mount Housing
The Series TE-E/N Wall Mount Temperature Sensor provides a low cost temperature input for any building management system. With large vents in the housing for proper air flow, the sensor accurately measures the ambient temperature in hotel rooms or office buildings. Multiple mounting holes on the wall plate allow for mounting to numerous surfaces.
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General Purpose RTD
Series 4 General Purpose RTD
Fiberglass Insulated Wire
General Purpose RTD's are low cost and offered in a variety of configurations. Tip temperatures can be as high as 450C (842F) for fiberglass insulated wire, or 200C (392F) for FEP insulated wire. Models specified with a head cover can be ordered with no process connection, 1/2" NPT, or 3/4" NPT process connections. For higher temperatures, see Series R Mineral Insulated RTDs.
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Series VPS Valve Position Sensor
Dual Inductive, 2-Wire AC/DC Sensor, Fully Adjustable Target in 2 Increments
The dual inductive, 2-wire AC/DC Series VPS Valve Position Sensors maintain VDI/ VDE 3845 dimensions so positioners can be easily mounted on top of the sensor and target. The Model VPS2411 Sensor and Model P1 Target mount easily and directly to actuators with ISO NAMUR topworks (see picture on catalog page). Solid state components are fully embedded in an epoxy resin to prevent condensation build-up and to protect against vibration and shock. The rugged PBTP housing provides excellent corrosion resistance and moisture protection.
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Detector Position Sensor
Series DT Detector Position Sensor
Reliable Magnetic Point Sensor, Stainless Steel Housing, AC or DC
The Series DT Detector Position Sensors are reliable, magnetically actuated, SS, completely interchangeable with competitive units. AC or DC for user friendly operation. They have no moving parts, eliminate costly seal fittings and offer enhanced reliability by eliminating arcing. Unintentional actuation by metals is not a problem. The sensor consists of a durable hermetically sealed reed switch potted in a SS housing and a separate 316 SS magnetic actuator bolt. As the actuator moves within the sensing range of the sensor, the magnet in the actuator changes the state of reed switch contacts inside the sensor. This either opens or closes a circuit depending on wiring configuration. Sensing distance is 0.1" (2.54 mm) for the standard target. Greater sensitivity of a larger magnetic target increases the sensing distance to 0.5" (12.7 mm).
The detector is excellent for hazardous and corrosive environments, solid state and intrinsically safe applications. A detector may be mounted in any position. For installation in hazardous locations, be sure to check local and national electrical codes. The detector is designed to NEMA 1, 3, 4, 4X, 6, 7, 9, 12 and 13.
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magnetic inductive flow sensor
series mfs magnetic inductive flow sensor
no moving parts, frequency and 4 to 20 ma output, maintenance-free
the series mfs magnetic inductive flow sensor is a compact, low cost alternative to paddle wheel sensors. Unlike sensors with moving parts, the mfs can be applied in applications dealing with contaminated media. This series provides a reliable measuring technique, an obstruction free pipe cross-section, as well as a quick response time, making this series ideal for interference free operation. Any change in temperature, density, viscosity, concentration or electrical conductivity of the liquid, does not affect the output signal of this magnetic inductive flow sensor. This, in addition to its long-life cycle, makes this series perfect for accurate reversible gauging of volume flow of conductive liquids in closed piping.
principles of operation
the measuring pipe is in a magnetic field. If an electrically conductive medium with a certain flow passes through the pipe, it passes at a right-angle to the magnetic field, creating a voltage which is proportional to the average flow velocity and picked up by two electrodes within the mfs. A frequency output signal is obtained that is proportional to the flow (analog output option available).
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Occupancy Sensor
The Model OSC-200 Omnidirectional Occupancy Sensor automatically controls a HVAC ventilation system. A spherical Fresnel lens provides a 360 detection zone with the use of infrared technology. The integrated dual delay processor saves energy by eliminating false activation due to short-term occupancies. The Model OSC-200 is designed to be ceiling mounted, and is pre-wired for ease of installation.
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Delivery Time : 4-6 WEEK
Insertion Electromagnetic Flow Sensor
Series EFS2 Insertion Electromagnetic Flow Sensor
No Moving Parts, Durable, Easy Installation & Maintenance, 1 to 12" Pipe (25 to 305 mm)
The SERIES EFS2 Insertion Electromagnetic Flow Sensor is designed for pipe sizes from 1 to 12" and comes in three different materials (stainless steel, brass and PVC). There are a variety of custom fittings to choose from to ensure accurate fitting in the pipe. The Series EFS2 is useful for any applications where moving parts would be a problem, such as dirty liquids. It can handle applications where there are rapid changes in viscosity and flow. Other applications include small pipes and chemical metering pumps.
PRINCIPLE OF OPERATION
The EFS2 is a liquid flow meter that uses the conductivity of fluids to measure flow rate. Liquid flow through its magnetic field produces a voltage that is measured and translated into an output signal. It has a pulse frequency output which can be used with the Series RTI to indicate flow rate and total, as well as the Series BAT signal converter which provides an analog signal.
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series afg averaging flow grid
cost effective air flow station for ducts up to 60"
the series afg flow grid is an outstanding simple yet accurate cost effective alternative to other duct mounted pressure sensors. Once installed and connected to a suitable measuring instrument, the device will provide years of trouble free monitoring of both air and gas flow. Installing the afg flow grid is quick and easy, the afg is supplied in kit form to allow both workshop and on-site installation into a wide range of square and circular ducts up to approximately 60".
the afg flow grid is a fundamental pressure sensing device designed to transmit a continuous differential pressure signal. When this output is connected to a suitable measuring instrument (i.e., manometer, pressure transducer, etc.), it may be used to determine air velocity and volume flow rate.
how the afg flow grid works
the afg flow grid consists of two tubes mounted diagonally across a square or rectangular duct, or diametrically across a round duct. The tubes are drilled with a series of equi-spaced holes.
the holes in one tube face directly upstream and sense total pressure, while the pairs of holes in the second tube also face forward but at an included angle of 79 degrees, sensing static pressure. The total and (sub) static pressures are averaged along the length of each tube and provide pressure signals at connectors outside the duct wall. The pressure differentials across these connectors constitute the output signal.
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afg-1averaging flow grid, 5/16" (8 mm) tube diameter, 27" (688 mm) tube length.
afg-2averaging flow grid, 5/8" (16 mm) tube diameter, 59-4/5" (1518 mm) tube length.
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Series MAFS Metal Averaging Flow Sensor
Blade Profile Provides Enhanced Performance and Minimal Flow Disruption
The SERIES MAFS Metal Averaging Flow Sensor is ideal for use with Dwyer Instruments, Inc. precision air velocity gages, transmitters and switches. The Series MAFS uses evenly distributed total and static pressure measuring points to deliver an accurate measurement of velocity pressure in a duct.
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MAFS-04Averaging air flow sensor, 4" probe
MAFS-06Averaging air flow sensor, 6" probe
MAFS-08Averaging air flow sensor, 8" probe
MAFS-10Averaging air flow sensor, 10" probe
MAFS-1000MMAveraging air flow sensor, 1000mm probe
MAFS-100MMAveraging air flow sensor, 100mm probe
MAFS-12Averaging air flow sensor, 12" probe
MAFS-125MMAveraging air flow sensor, 125mm probe
MAFS-14Averaging air flow sensor, 14" probe
MAFS-1500MMAveraging air flow sensor, 1500mm probe
MAFS-16Averaging air flow sensor, 16" probe
MAFS-1600MMAveraging air flow sensor, 1600mm probe
MAFS-160MMAveraging air flow sensor, 160mm probe
MAFS-18Averaging air flow sensor, 18" probe
MAFS-20Averaging air flow sensor, 20" probe
MAFS-2000MMAveraging air flow sensor, 2000mm probe
MAFS-200MMAveraging air flow sensor, 200mm probe
MAFS-22Averaging air flow sensor, 22" probe
MAFS-24Averaging air flow sensor, 24" probe
MAFS-250MMAveraging air flow sensor, 250mm probe
MAFS-26Averaging air flow sensor, 26" probe
MAFS-28Averaging air flow sensor, 28" probe
MAFS-30Averaging air flow sensor, 30" probe
MAFS-300MMAveraging air flow sensor, 300mm probe
MAFS-315MMAveraging air flow sensor, 315mm probe
MAFS-32Averaging air flow sensor, 32" probe
MAFS-34Averaging air flow sensor, 34" probe
MAFS-36Averaging air flow sensor, 36" probe
MAFS-38Averaging air flow sensor, 38" probe
MAFS-40Averaging air flow sensor, 40" probe
MAFS-400MMAveraging air flow sensor, 400mm probe
MAFS-42Averaging air flow sensor, 42" probe
MAFS-44Averaging air flow sensor, 44" probe
MAFS-450MMAveraging air flow sensor, 450mm probe
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series pafs-1000 averaging flow sensor
ideal for sensing fan flow rates
the series pafs-1000 averaging flow sensor is ideal for sensing differential pressure in the inlet section of variable air volume terminal units and fan terminal units. Units can also be used to sense differential pressure at other locations in the main or branch duct systems.
the "h" port senses total pressure and the "l" port senses static pressure. The difference between these signals is the differential, or velocity pressure. For models pafs-1002 to pafs-1005, up to four sensing points and lengths of 3-5/32" to 9-29/32" (8.02 to 25.26 cm) to accommodate box size diameters of 4" to 16" (10.16 to 40.64 cm) are available. For models pafs-1006 to pafs -1011, up to 10 sensing points and lengths from 12-1/2" to 23-29/32" (31.75 to 60.72 cm) are available to accommodate appropriately sized duct dimensions.
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Paddle Wheel Flow Sensor
Series PFT Paddlewheel Flow Sensor
Non-Magnetic Sensing, Adjustable for 1-1/2 to 40" (38.1 to 1016 mm) Pipe, Pulse or 4 to 20 mA
The Series PFT Insertion Paddlewheel Flowmeters are used to monitor liquid flow rates in pipes from 1-1/2 to 40" and is available in brass or 316 SS body. The unit outputs a frequency proportional pulsed or 4 to 20 mA output. The pulse models are a square wave output signal with frequency proportional to the flow velocity and the 4 to 20 mA models have a linear output of the velocity with 4 mA equal to 0 ft/s and 20 mA equal to 25 ft/s.
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Wall Mount Occupancy Sensor
Model OSW-100 Wall Mount Occupancy Sensor
Wide Viewing Angle, Easy to Install
The Model OSW-100 Wall Mount Occupancy Sensor is an infrared sensor designed to automatically control an HVAC ventilation system. A unique dual delay processor eliminates false triggers due to short-term occupancies. The Model OSW-100 has a wide 110 viewing angle to capture movement up to 49.2 ft (15 m) away.
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ultrasonic level sensor
model ulsl ultrasonic level sensor
18' (5.5 m) measuring range, non-contact transmitter, 4 spst programmable relays
the model ulsl ultrasonic level sensor provides non-contact, continuous ultrasonic level measurement of fluids for short range applications. Ultrasonic technology paired with automatic temperature compensation provides accurate and reliable measurements in almost all conditions. The model ulsl has failsafe logic that is easily configured to custom applications via free software removing the need for target calibration. Using the free software, the model ulsl can be programmed to transmit an output signal as well as set the four relays for control applications. This rugged design comes with a nema 6p submersible enclosure rating to ensure a long lasting unit.
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(usb adapter necessary for calibration. One adapter can program multiple units.)
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eos wireless occupancy sensor
the series eos wireless occupancy sensor uses en ocean technology to enable a new level of energy saving control for rooms, hallways, and other common areas. Using a pir motion sensor to detect movement in a space, the eosc models have a 360 degree viewing angle and the eosw models offer wide angle and long range lenses in the same package. The enocean technology allows for wireless communication with any other enocean-enabled devices.
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in flow sensors
series ds in-line flow sensors
use with the dwyer differential pressure gages or transmitters
the series ds in-line flow sensors are two series of averaging pitot tubes for compatible gases and liquids that provide accurate and convenient flow rate sensing, for schedule 40 pipe, when purchased with suitable differential pressure gage with appropriate range.
the series ds-300 averaging flow sensors are designed to be inserted in the pipeline through a compression fitting and available for pipe sizes from 1 to 10" (2.5 to 25.4 cm). Accessories include adapters with 1/4" sae 45 flared ends compatible with hoses supplied with the model a-471 portable capsuhelic gage kit.
the series ds-400 averaging flow sensors are designed for insertion lengths up to 24" (61 cm) and include a pair of 1/8" npt x 1/4" sae 45 flared adapters which are compatible with hoses used in the model a-471 portable capsuhelic gage kit. The supplied solid brass mounting adapter has a 3/4" dia. Compression fitting to lock in required insertion length and a 3/4" male npt thread for mounting in a threaded branch connection (not included).
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