Instrumentation for measuring differential pressure

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 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.

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.

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 Micaflex MF-P / MF-PD is a differential pressure transmitter for measuring positive pressure, negative pressure or differential pressure, with or without a display.

The MF-PFA series can measure the airflow in combination with the self-averaging MFS flow sensors in addition to differential pressure. Besides analog outputs, this series also features a built-in PI controller, which can directly controll a fan and 2 swithes for local alarms. Due to the high accuracy and stability, the MF-PFA is ideal for use in laboratories, hospitals and clean rooms. Each in...

The MF-PFT series can measure the airflow in combination with the self-averaging MFS flow sensors in addition to differential pressure. Besides analog outputs, this series also features a built-in PI controller, which can directly controll a fan. Due to the high accuracy and stability, the MF-PFT is ideal for use in laboratories, hospitals and clean rooms. Each instrument is fully programmable.

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 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 CP210 is a differential pressure transmitter that can also be used as a flow transmitter in combination with the Debimo averaging pitot tubes or Micatrone MFS series flow sensors. The CP211 and CP212 have an automatic zero setting. The CP210 has a PT100 input for an additional temperature measurement.

The new C310 series are multifonctional transmitters which can be extended by an internal pressure module and two external probes. The display can show up to 4 parameters, but can also display a trend graph and the min/max values of each channel. The C310 has two analog outputs, which can be extended by two more. Modbus and Ethernet communication are available as an option.

The Kimo CPE310 differential pressure transmitter is the successor of the CPE300. The transmitter can be flush mounted in a wall and can be calibrated using special connectors from the front. The CPE310 has an internal buzzer with acceptance and delay. Optionally, an external sensor for temperature and humidity, can be connected, the display then scrolls between the values​​. The CPE310-S has 3...