Differential pressure measument for air handling HVAC

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...

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 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.

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.

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 pla...

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...

The Kimo PST series is a differential pressure switch with indicator. The PST is ideal for filter monitoring applications. The status LED indicates if an alarm level is exceeded and the current pressure is shown on the display. The installation is very easy because the housing can be mounted in two parts making it ideal for installers.

The Kimo CP110 series is a differential pressure transmitter with or without display. The CP111, CP112 and CP113 are ideal for filter monitoring applications with an analog output to a building management system. The installation is very easy and the housing can be mounted in two parts making it ideal for installers.

The Kimo CP110 series is a differential pressure transmitter with or without display. The CP114 and CP115 are ideal for filter monitoring applications with an analog output to a building management system. The installation is very easy and the housing can be mounted in two parts making it ideal for installers.

The Kimo CP116 series is a barometric pressure transmitter with or without display. The CP116 measures the athmospheric air pressure. The installation is very easy and the housing can be mounted in two parts making it ideal for installers.

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 DH3 series Digihelic differential pressure gauge is a 3-in-1 instrument with a digital display, relay contacts and a transmitter output, all packed in the popular Photohelic housing. By combining these 3 functions, you can reduce different instruments to one product, saving you inventory, installation time and money. The DH3 controller is the ideal instrument for pressure (difference)...

PEL - differential pressure transmitters are made for clean / isolation room applications. The zero point of the transmitter remains exact by means of the automatic zeroing, eliminating regularly possible zero point drifting. The PEL has 8 measuring ranges, all selectable at commissioning. Available with or without a display.

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 ATEX approved AT1ADPS differential pressure switch is designed for overpressure, underpressure and differential pressure applications in potentially hazardous areas. The large adjustment knob with scale makes it very easy to set the switching point. The AT1ADPS differential pressure switch is available in different switching ranges between 20 and 4000 Pa. The aluminum flame proof ATEX housi...

The Dwyer Magnesense Series MSX Pro differential pressure transmitter is the professional differential pressure transmitter that meets rigorous industry standards with innovative product design. The instrument has exceptional stability for use in critical building applications with the versatility of our original series Magnesense transmitters. Pressure ranges in Pa, mmH2O, and inWC are availab...