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Dwyer Instruments

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Dwyer U-tube liquid column manometer series Flex-Tube

SKU 2001547
These inexpensive manometers measure positive, negative and differential pressures. Dwyer Flex-Tube U-Tube Manometers combine the inherent accuracy of the simple "U" Tube with the durability of tough, long-lasting plastic construction. Series 1221 Manometer, the simplest, lowest cost basic U-gage. Series 1222 Manometer, alll the features of the 1221 plus magnetic clips. Series 1223 Manometer, the…

From From € 133,00

Dwyer pitot tubes series 160

SKU 2001591
Dwyer pitot tubes, series 160 are constructed from corrosion resistant stainless steel for a lifetime of service. No correction factors or calibration required. Various standard sizes are available for use in small and large ducts.

From From € 282,90

Dwyer differential pressure switch series 1910

SKU 2001571
The most popular differential pressure switch combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications. For air and non combustible compatible gases, Series 1910 switches have set points from 18 to 400 Pa an…

From From € 172,75

Dwyer differential pressure switch series 1950

SKU 2001577
Model 1950 explosion proof pressure pressure switch combines the best features of the popular1900 series with an integral explosion-proof and weatherproof housing, making it an exceptional value for either application. It is CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class II Groups E, F, and G and Class III hazardous atmospheres (NEMA 7 & 9), Raintight NEMA 3 (…

From From € 763,85

Dwyer ATEX differential pressure switch series 1950G

SKU 2010783
The Model 1950G Explosion-Proof Switch combines the best features of the popular Dwyer® Series 1950 Pressure Switch with the benefit of natural gas compatibility. Units are rain-tight for outdoor installations, And are ATEX approved CE ATEX II 2G Exd IIB+H2 T6. Adjustment to the set point of the switch can be made without disassembly of the housing.

From From € 1.105,00

Dwyer Magnehelic differential pressure gauge series 2000

SKU 2001509
Dwyer Magnehelic gage for high accuracy, guaranteed within 2% of full scale and for the wide choice of 81 models available to suit your needs precisely. Using Dwyer's simple, frictionless Magnehelic gage movement, it quickly indicates low air or noncorrosive gas pressures, either positive, negative (vacuum) or differential. The design resists shock, vibration and over-pressures. No manometer flui…

From From € 166,05

Dwyer Minihelic differential pressure gage series 2-5000

SKU 2001533
The Minihelic is a small differential pressure manometer, suitable for many of the same applications as the Magnehelic gage where the greater accuracy, sensitivity, and higher and lower differential pressure ranges of the Magnehelic gage are not required. It can safely operate at total pressures up to 200 kPa. With the housing molded from mineral and glass filled nylon and the lens molded from ac…

From From € 127,85

Dwyer Photohelic differential pressure switch and gage series 3000MR

SKU 2016428
The series 3000MR Photohelic switch/gages combine the functions of a precise, highly repeatable differential pressure switch with a large easy-to-read analog pressure gage employing the durable, time-proven Magnehelic gage design. The Photohelic has 2 switch functions. Switch setting is easy to adjust with large external knobs on the gage face. Gage reading is unaffected by switch operation — wil…

From From € 1.273,00

Dwyer Capsuhelic differential pressure gage series 4000

SKU 2002149
The Capsuhelic gage is designed to give fast, accurate indication of differential pressures. The gage may be used as a readout device when measuring flowing fluids, pressure drop across filters, liquid levels in storage tanks and many other applications involving pressure, vacuum or differential pressure.

From From € 1.833,00

Dwyer thermo-hygrometer series 485B

SKU 2019734
Model 485B is a compact, hand-held instrument for measuring percentage of relative humidiy and temperature in °C or °F and also calculates dew point and wet bulb temperature. It will store up to 99 readings, ideal for technicians meeding to take multiple readings for later analyses.

From € 1.172,60

Dwyer vane switch series AAFS

SKU 2021464
The Model AAFS air flow switch provides excellent sensitivity and reliability at a very reasonable price. Quality features include a rugged die cast body, stainless steel vane and SPDT snap switch. Unit is field adjustable from 400-1600 FPM. Mounting is fast and simple,with only two screws needed. Vane fits 6 inch or larger ducts.

From € 203,80

Dwyer differential pressure transmitter series 605

SKU 2001478
The Series 605 Magnehelic Indicating Transmitter provides for both visual monitoring and electronic control of very low differential pressure. The Series 605 is ideal for control applications in building HVAC systems The easily read dial gage is complimented by the two-wire, 4-20 mA control signal utilizing the timeproven Dwyer® Magnehelic® gage mechanical design and Series 600 transmitter techno…

From From € 1.013,00

Dwyer differential pressure transmitter series 629C

SKU 2025846
The Series 629C Differential Pressure Transmitter monitors differential pressure of air and compatible gases and liquids with 0.5% accuracy. The design employs dual pressure sensors converting pressure changes into a standard 4-20 mA output signal for two wire circuits. Small internal volume and minimum moving parts result in exceptional response and reliability.

From From € 741,00

Dwyer calibration pump series A-396A

SKU 2001500
Serves as pressure source to calibrate gages and transmitters or to set pressure switches. Use with manometer or other pressure standard. Generate pressures from a fraction of an inch w.c. to 72 psig (5 bar). Includes barbed fitting, tee connector and three 36? lengths of vinyl tubing.

From € 1.393,15

Dwyer differential pressure switch series ADPS

SKU 2016729
The Series ADPS Adjustable Differential Pressure Switch is designed for pressure, vacuum, and differential pressures. The adjustment knob allows changes to the switching pressure to be made without a pressure gage. The ADPS is available with settings from 20 Pa up to 5000 Pa. The compact size, adjustment knob and low cost make the ADPS the perfect choice for HVAC applications.

From From € 60,30

Dwyer differential pressure transmitter series DM-2000

SKU DM-2000
The Dwyer series DM-2000 differential pressure transmitter senses the pressure of air and compatible gases and sends a standard 4-20 mA output signal. The DM-2000 housing is specifically designed to mount in the same diameter cutout as a standard Magnehelic gage. A wide range of models are available factory calibrated to specific ranges. Pressure connections are inherent to the glass filled plast…

Dwyer digital pressure gage series DPG

SKU 2019205
The Series DPG has a high ±0.25% full scale accuracy. The 4 digit digital display will reduce the potential for errors in readings by eliminating parallax error commonly produced with analog gages. Series DPG is battery powered and has an auto-shut off to conserve battery life. Battery life, on average, will last 2000 hours. A 4 button key pad allows easy access to features without the need to wo…

From From € 473,00

Dwyer digital pressure gage and transmitter series DPG-200

SKU 2015878
The Series DPG-200 digital pressure gage has a precise ±0.25% full scale accuracy. The 4 digit digital display will reduce the potential for errors in readings by eliminating parallax error commonly produced with analog gages. The DPG-200 is packaged in a durable extruded aluminum case (IP66). The unit is powered by 12-24 VDC/VAC and contains two alarm set points along with a 4-20 mA process outp…

From From € 1.168,85

Dwyer digital pressure gage series DPGA

SKU 2016441
The series DPGA is the only economic digital pressure gage with selectable engineering units on the market. With its 1% accuracy and digital push-button zero, the DPGA is the perfect choice for digitally monitoring the pressures of air and compatible gases.

From € 308,90

Dwyer digital pressure gage series DPGW

SKU 2016675
The Series DPGW is the only economic digital pressure gage for liquids with the ability to select engineering units on the market. With its 1% accuracy and digital push-button zero, the DPGW is the perfect choice for digitally monitoring the pressures of compatible liquids and gases. The 4 digit digital display will reduce the potential for errors in readings by eliminating parallax error commonl…

From € 361,55

Dwyer ATEX differential pressure switch series H3

SKU 2018792
Explosion-proof, heavy duty, industrial pressure switch which provides sensitivity to differential pressure as low as 25 mbar up to 14 bar with a max. static pressure of 100 bar. This unit has a standard aluminium pressure chamber but is also available in 316 stainless steel. Approvals : UL, CSA, CE and ATEX.

From From € 2.616,00

Dwyer side mounting float switch series L4

SKU 2002064
Rugged and reliable the Series L4 Flotect Level switch operates automatically to indicate tank level. Perfect for starting or stopping pumps, opening or closing valves, or actuate level alarm signals. Horizontal installation or optional top mount vertical installation. ATEX version available.

From From € 1.644,45

Dwyer float switch series L8

SKU 2016559
Model L8 Flotect Liquid Level Switch features a leak proof body and float constructed from tough, durable polyphenylene sulfide which has excellent chemical resistance. This compact and reliable control is designed to handle temperatures up to (100°C and pressures to 10 bar.

From € 308,80

Dwyer inclined vertical manometer series Mark II

SKU 2001556
Dwyer Mark II series molded manometers are of the inclined and inclined-vertical types. The curved inclined-vertical tube of the Mark II manometers can be mounted on any vertical surface with the two mounting screws provided. Ranges available from 0-80 mmH2O and from -10 to + 700 Pa.

From € 130,15

Dwyer Mini-photohelic differential pressure switch series MP

SKU 2013247
The MP Mini-Photohelic differential pressure switch/gage combines the time proven Minihelic II differential pressure gage with two SPDT switching setpoints. The Mini-Photohelic gage is designed to measure and control positive, negative, or differential pressures consisting of non-combustible and non-corrosive gases. Gage reading is independent of switch operation. This extremely compact switch/g…

From From € 1.157,55

Dwyer MagneSense differential pressure transmitter series MS

SKU MS
The Series MS Magnesense Differential Pressure Transmitter is an extremely versatile transmitter for monitoring pressure and air velocity. This compact package is loaded with features such as: field selectable english or metric ranges, field upgradeable LCD display, adjustable dampening of output signal (with optional display) and ability to select a square root output for use with pitot tubes an…

Dwyer room temperature and air humidity transmitter series RHP-E

SKU 2022767
The Dwyer RHP-E series is a combined room temperature and humidity sensor for wall mounting. There can be chosen from different accuracies and a housing with or without display. There are several outputs that allow the sensor to be read on any type of GBS.

From From € 314,45

Dwyer variable area flowmeter series RM

SKU 2009061
The Rate-Master® flowmeter line of direct reading precision flowmeters incorporates many unique user features at moderate cost. These low cost flowmeters are ideal for general use.

From From € 127,80

Dwyer pressure switch series SA1100

SKU 2007678
Dwyer SA 1100 is an extremely rugged pressure switch that assures excellent reliability. The pressure switch has a visual setpoint and an adjustable deadband, up to 5% of measuring range. Wetted parts are available in aluminium and stainless steel.

From From € 1.314,00

Dwyer averaging flow sensor series PAFS-1000

SKU 2019461
The Series PAFS-1000 Lightweight 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.

From From € 22,60

Dwyer temperature sensor for duct mounting series TE-D

SKU 2018388
The Dwyer TE-D series consists of highly priced temperature sensors for installation in air ducts. There are several outputs that allow the sensor to be read on any type of Building automation system.

From From € 37,00

Dwyer temperature sensor for wall mounting series TE-E

SKU 2024540
The Dwyer TE-E series consists of very competitively priced temperature sensors for mounting in walls on the wall. There are several outputs for each type of BMS possible

From From € 36,55

Dwyer vane operated serie V10

SKU 2001424
V10 is esigned to provide an inexpensive, reliable unit to monitor the presence or absence of flow in a system. The V10 flow switch is used to monitor unattended equipment and protect it from costly damage. The V10 flow switch utilizes a rugged, hermetically sealed reed switch which is encapsulated in a polypropylene switch housing that fits into a standard heavy duty leak proof brass body or opt…

From From € 215,50

Dwyer vane operated ATEX serie V4

SKU 2010717
Rugged and reliable the Series V4 Flotect flow switch operates automatically to protect equipment and pipeline systems against damage from reduction or loss of flow. The V4 is time tested being installed in thousands of pipelines and processing plants around the world. A unique magnetically actuated switching design gives superior performance. There are no bellows, springs, or seals to fail. Inst…

From From € 1.542,55

Dwyer vane operated switch ATEX series V6

SKU 2013865
Surprisingly compact, the series V6 Flotect Flow Switch is engineered to specifically monitor liquid, gas, or airflows. Operation is simple and dependable with no mechanical linkage as the flow switch is magnetically actuated. Easy installation, simply insert the tee in the pipline and complete electrical connections. Tees are available from 1/2? to 2?, with bushings added the unit is easily adap…

From From € 888,00

Dwyer outdoor temperature and humidity transmitter series WHT

SKU 2020547
The Dwyer WHT series humidity transmitters measure temperature and relative humidity in the outside. The waterproof housing and sintered filter protect the sensor from weather effects. The WHT series is available with an analogue output for relative humidity and optionally also temperature.

From From € 292,00

Dwyer Magnehelic mounting accessories

SKU 2001498
The Dwyer Magnehelic can be mounted in different ways. By default, the instrument is equipped with all the accessories needed to mount the Magnehelic into a round hole in a panel. In addition, there are various accessories for mounting on a round tube, in a (system) wall, or with various brackets in a wall cabinet.

From From € 29,85

Dwyer submersible level transmitter series MBLT

SKU 2023194
The MBLT miniature submersible level transmitter is only 0.63˝ in diameter making it ideal for level monitoring in well and borehole applications with 4 to 20 mA or 0 to 5 V output. Designed for years of trouble free service, the MBLT has a welded 316 SS body and 316 SS nose cap. Body top is also 316 SS and tapered to prevent damage or snares when pulling the unit out of the installation. Feature…

From From € 1.204,00

Dwyer smart air hood balometer series SAH

SKU W-9000383
The Dwyer SAH Smart Air Hood is a revolution in the field of balometers. The patented design ensures minimal resistance and the balometer is pre-calibrated for each type of grid. This makes the SAH the most reliable balometer on the market. The hood can easily be clamped between the floor and the ceiling with the included telescopic rod. The readout device communicates wirelessly with the hood up…

Dwyer Modbus and BACnet CO2, temperature and RV transmitter series CDTA

SKU CDTA
The Dwyer CDTA series carbon dioxide meter combines three measurements in one compact housing. The CDTA measures CO2, humidity and temperature, but can also be used as a set point generator. Communication with a GBS or PLC is via Modbus®, or BACnet, which can be chosen in the field. To facilitate installation, the RS485 address can be set using dip switches. The CDTA uses a non-dispersive infrare…

Price on request

Dwyer duct mounting temperature transmitter series BTT

SKU 2023511
The BTT series temperature transmitters are ideal for measuring temperature in air ducts. Sensor lengths of up to 450 mm insertion are possible for duct mounting sensors. The plastic terminal box with fastening tabs makes the installation easier.

From From € 195,80

Dwyer water differential pressure switch series DX

SKU 2020500
The DX series differential pressure switch is suitable for detecting water pressure differences within the building automation. The DX series can be used as filter monitoring, but also as a flow monitor in, for example, a pump, heating system or cooling machine. The switch is robust and easy to install with the integrated mounting bracket. The splashproof housing makes it possible to place the sw…

From From € 242,00

Dwyer High-Accuracy Magnehelic Pressure gauge Series 2000-HA

SKU 2024761
The 2000-HA Series High Accuracy Magnehelic® pressure differential manometer is twice as accurate as the standard Magnehelic® manometer. The High Accuracy Magnehelic® pressure differential manometer provides a mirrored overlay to eliminate any parallax errors when measuring. A six-point calibration certificate is included with any high-precision model. The robust IP67 housing (front) helps to com…

From From € 287,80

Dwyer carbon monoxide CO transmitter series GSTA

SKU 2023238
The Dwyer GSTA series is a carbon monoxide (CO) transmitter for room or channel mounting. The GSTA series can be selected with and without display and has a 0-10 V or 4-20 mA output. Optionally there is an implementation with Modbus or BACnet communication.

From From € 511,40

Dwyer Smart air speed transmitter series AVUL

SKU 2025122
The Dwyer AVUL series measures air speed and volume flow in ventilation ducts. The AVUL works on a hot wire principle with special coating for a long life. There may be chosen for English or metric units. Furthermore, there are analogue outputs, but also versions for Smart Buildings with BACnet or Modbus communication.

From From € 450,15

Dwyer duct mounting humidity transmitter series RHP-D

SKU 2023587
The Dwyer RHP-D series has a combined temperature and humidity sensor for installation in air ducts. There can be selected from different precision and a performance with or without display. There are several outputs that allow the sensor to be read on any type of BMS.

From From € 235,00

Dwyer temperature transmitter for wall mounting series BTT-E

SKU BTT-E
The Dwyer BTT-E series is a simple space temperature transmitter for wall mounting. For the analogue output, you can choose between 4-20 mA and 0-10 V, so that the transmitters can be connected to any BMS.

Dwyer temperature transmitter with radiation shield series BTT-R

SKU 2024386
The Dwyer BTT-R series is a temperature transmitter for outdoor mounting with radiation shield. The weather shelter ensures that the temperature measurement is not affected by direct sunlight. The BTT-R temperature transmitter has an analogue output for coupling to each building management system.

From From € 357,60