Instrumentation for measuring differential pressure

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...

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.

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.

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...

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 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 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 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 c...

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)...

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...

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...

The Dwyer pressure monitor series RPMC is designed for critical applications with low differential pressures. The transmitter uses a capacitive pressure sensor to achieve extremely high accuracy. There is a choice between ± 0.25% or ± 0.5% RSS. The RPMC has the same dimensions as the Magnehelic which simplifies an upgrade in the field. The pressure monitor is suitable for applications requiring...

The Dwyer pressure monitor series RPMC is designed for critical applications with low differential pressures which must also be directly visible locally. The 4.3” full color touchscreen can be configured to measure positive or negative pressure in, for example, cleanrooms, hospitals, isolation rooms and laboratories. The Dwyer RSME Room Status Monitor is a complete solution featuring a touchscr...

The Dwyer pressure monitor series RPME is designed for critical applications with low differential pressures. The transmitter uses a piezo pressure sensor to achieve high accuracy. There is a choice between ±0.5% or ±1% RSS. The RPME has the same dimensions as the Magnehelic which simplifies an upgrade in the field. The pressure monitor is suitable for applications requiring strict pressure mon...

The Dwyer RSMC Room Status Monitor Series is designed for critical applications with low differential pressures that also require immediate local visibility. The 4.3” full color touchscreen can be configured to measure positive or negative pressure in, for example, cleanrooms, hospitals, isolation rooms and laboratories. The Dwyer RSME Room Status Monitor is a complete solution with a touchscre...

The HP range of inclined liquid column manometers, measure slight variations in pressure, depression or differential pressure of air or gas. The are particulary recommended for measuring overpressure in clean rooms, laboratories, aseptic rooms and laminar flows.

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.