Dwyer Instruments

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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. Featu...

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...

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 infra...

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.

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.

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.

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.

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.

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.

De CMT200 serie koolmonoxidetransmitters zijn ideaal voor gebruik in ondergrondse parkeergarages, werkplaatsen en stookruimtes. De koolmonoxidemelder geeft een analoog uitgangssignaal dat kan worden ingelezen op een gebouwbeheersysteem, zodat de ventilatie kan worden opgeschakeld bij een te hoge concentratie koolmonoxide.

De TE-A serie bestaat uit middelende temperatuursensoren voor grote kanalen en luchtbehandelingskasten. De buigbare aluminium sensoren zijn verkrijgbaar in lengtes van 150, 300 en 600 mm. Deze capillairen bestaan uit vier temperatuursensoren die intern worden gemiddeld. De CC1-montagebeugels zijn beschikbaar om de capillair op de wand van de buis of luchtbehandelingsunit te monteren zonder de s...

De TE-OND serie bestaat uit passieve temperatuursensoren voor het meten van temperaturen buiten. De temperatuursensoren zijn geschikt om buiten te monteren, maar niet in direct zonlicht. Voor montage in direct zonlicht raden we een uitvoering met weerhut aan. De TE-OND serie is verkijgbaar met PT100, PT1000, 3 kOhm, 10 kOhm en 20 kOhm uitgangen.

De TE-RND serie bestaat uit passieve temperatuursensoren voor buiten. De weerhut maakt de TE-RND serie ook geschikt voor plaasing in direct zonlicht. De TE-RND serie is verkijgbaar met PT100, PT1000, 3 kOhm, 10 kOhm en 20 kOhm uitgangen.

De O-4 serie bestaat uit passieve temperatuursensoren voor het meten van temperaturen in de buitenlucht. De O-4 serie is verkijgbaar met PT100, PT1000, 3 kOhm, 10 kOhm en 20 kOhm uitgangen.

De BTT-O serie bestaat uit temperatuurtransmitters voor buitenlucht. De temperatuurtransmitters kunnen worden uitgevoerd met een 0-10V of 4-20mA uitgang. De spatwaterdichte behuizing kan buiten worden toegepast. Voor plaatsing in direct zonlicht adviseren we een versie met weerhut.

De OSC-200 serie omnidirectionele aanwezigheidssensor kan worden toegepast voor het automatisch regelen van ventilatiesystemen. Een bolvormige lens heeft een detectiezone van 360° met behulp van infraroodtechnologie. De geïntegreerde dubbele vertragingsprocessor bespaart energie door het elimineren van valse bewegingsdetectie. De OSC-200 bewegingssensor is ontworpen om in het plafond te worden...

De OSW-100 serie bewegingssensor voor wandmontage is ontworpen voor het automatisch aansturen van een HVAC ventilatiesysteem op basis van aanwezigheid. Een unieke dubbele vertragingsprocessor elimineert valse triggers. Het model OSW-100 heeft een brede kijkhoek van 110° om bewegingen tot 15m te kunnen detecteren.

Met de RHRS serie weerhut voor luchtvochtigheidssensoren voorkomt u directe invloed van regen en zonlicht op de meting. De RHRS is er in een uitvoering met 6 of 10 lamellen. De weerhut wordt geleverd exclusief luchtvochtigheidssensor. De RHRS is geschikt voor verschillende modellen sensoren. De handige montage beugel maakt de de weerhut geschikt voor wandmontage of montage op buizen van 3/4 tot...

Series 477 handheld digital manometers are packed with features you need to make pressure measurement and recording faster, easier and more accurate than ever. You can instantly select from up to nine of the most widely used pressure units. A non-volatile memory function enables storage of up to 40 readings. Other main features are: display HOLD, audible alarm, visual alarm, backlight with au...

Series 490A Digital Manometers are versatile, hand-held, battery operated manometers available in several basic ranges for positive or positive differential pressure measurement and can tolerate most liquid media compatible with 316LSS. A memory function allows storage of up to 40 readings.

The Dwyer CDT series CO2 transmitters are equipped with an NDIR (infrared) sensor. The transmitters are available in a wall-mounted version and in a version for duct mounting. Optionally, the transmitters are also available with a temperature output and SPST relay contact. Unique for this CO2 measurement is that it can also be used for rooms that are used 24 hours a day. Other sensors use the p...

The ATEX certified AT2DH3 series Digihelic® differential pressure controller is a 3-in-1 instrument that consists of a digital differential pressure gauge, relay contacts for alarms, or on-off control and a transmitter output. The AT2DH3 can also be used to measure air velocities and flow in combination with a pitot tube. The AT2DH3 has an analogue 4-20 mA output and two SPDT relay contacts wit...

The Dwyer PMT2 series is a particle transmitter designed for broken bag detection (fiter leak detection). The special electrostatic induction technology detects particles that flow past the sensor and converts this into a 4 to 20 mA signal based on the concentration of these particles. The PMT2 offers 6 sensitivity ranges that allow the user to choose the range that best fits the application. T...

The Dwyer CDWP series consists of inductive CO2 transmitters for, for example, livestock farming (chicken barns), technical areas, monitoring of CO2 cooling systems and greenhouses. The CDWP measures the carbon dioxide content with an infrared (NDIR) measuring cell with a long lifespan. This sensor technology offers the highest accuracy compared to automatic baseline correction (ABC logic), whi...

De RH-R serie luchtvochtigheidstransmitters zijn geschikt voor toepassingen waarbij de ruimte beperkt is. De compacte sensor wordt beschermd door een verwijderbaar filter. De sensor kan tot wel 5 meter van de weerbestendige basis worden gemonteerd. De RH-R is ideaal voor klimaatkamers of montage in kanelen en luchtbehandelingskasten.

The Dwyer AVLV series is an air velocity transmitter for very low velocities below 2 m/s. The AVLV has universal inputs for monitoring equipment and the output range can be configured by local DIP switches. Process values can be monitored locally through the optional integral display or the portable remote display tool. The air velocity transmitter is suitable for quality intensive environments...

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, t...

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...

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...

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.

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 fl...

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...

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 — w...

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.

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 tech...

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.