Dwyer Instruments

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.

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.

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

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 o...

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. In...

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 ad...

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 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...

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 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.

The FS2 series is a vane switch for flow detection in water pipes. These flow switches can be used as flow detection in cooling systems and central heating systems in building automation. The switch can be used to detect whether or not there is flow in a water pipe to start or stop the operation of a pump. The FS2 series has a brass threaded connection and the vane is made of stainless steel.

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.

With the explosion-proof AT22000 series, the popular Magnehelic® differential pressure manometer is now also available in a flame proof ATEX housing. This manometer measures underpressure, overpressure, or pressure difference. Popular applications are filter monitoring, room pressure monitoring and flow monitoring of a fan.

The ATEX-certified AT2MS series Magnesense® differential pressure transmitter is an extremely versatile transmitter for monitoring pressure and air velocity in potentially hazardous areas. The AT2MS transmitter can be set up in English or metric ranges and can be extended with an LCD screen. A square root output can be set for use with pitot tubes and similar flow sensors. The flameproof ATEX h...