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Differential Pressure Transmitters

21 Products
Wet/Wet Differential Board Mounted Pressure Sensors

The PX26 series are board mountable sensors that allow water and many other liquids to be applied to both sides in pressures in an easily mountable 4-pin package.

Cost-Effective HVAC Differential Pressure Transmitter, ± 1% Accuracy, Compact

Compact Differential Pressure Transmitter is compact, lightweight, and features reverse-polarity protection. Units also feature reverse-polarity protection.

High Accuracy, Wet/Wet Differential Pressure Transmitters

The PX2300 series are ideal for measuring pressure drop across filters and/or in corrosive media, with a weatherproof, NEMA 4 enclosure and high ± 0.25% accuracy.

Differential Pressure Transmitter for Air/Gases, 4-20 mA Output

The Series DM DigiMag® Differential Pressure Transmitter measures air and gas pressure with a 4-20 mA output. Its easy calibration and compact design simplify installation and use.

Smart Differential Pressure Transmitter, HART®, Hazardous Area

Explosion-proof Differential Pressure Transmitter has a flexible pressure calibration, programmable with HART communication, and push button configuration.

Diff Pressure Transmitter for Gases/Liquids, 1% Acc., 4-20 mA/0-10 Vdc

Differential pressure transmitters suitable for measuring over-pressure, under-pressure, and differential pressure in compatible gases and liquids with 1% accuracy.

Rangeable, Differential Pressure Transmitters with Display

The PX3005-DIFF differential series are rangeable, with a backlit LCD display, ideal for monitoring pressures in process automation, hydraulic, and tank level applications.

Compact Differential Pressure Transmitters, ± 0.8% FS Accuracy, 15 psig

The Series 668B/D Compact Differential Pressure Transmitters offer high accuracy and lightweight design, ideal for HVAC control and duct pressure measurement.

Pressure Transmitter & loop powered pressure monitor

The PM1000 plug-on display is a Economical, local display suitable for the PX4200 series pressure transducers with optional loop powered pressure monitor.

616KD Differential Pressure Transmitters, One-Touch® Calibration

"Measures fan velocity pressure for air comfort and filter differential pressure for maintenance. Its compact design minimizes control panel installation space."

Vacuum Differential Pressure Transmitter, Adjustable Range, Adjustable Response

Differential pressure transmitters measure differential pressure and vacuum with adjustable ranges and output signals, suitable for installers and maintenance professionals.

Panel Mount Differential Pressure

Panel Mount Differential Pressure devices help monitor air flow and pressure in buildings, clean rooms, data centers, and HVAC systems for optimal control and safety.

Differential Pressure Transmitter, 0.5% F.S., 4-20 mA, NEMA 4, CSA Approved

Fixed Range Differential Pressure Transmitter is used to measure pressures of liquids, gases, and vapors. This model is designed to withstand the harshest environmental conditions.

Bidirectional, Differential Low Pressure Transmitters

The PX653 series are well suited for use in clean rooms, HVAC systems, and laboratory fume hoods. They have a 4-20 mA or 1-5 V output in ranges from ± 0.05 to ± 50 inH2O.

Bidirectional, Differential Low Pressure Transducers

The PX2650 series is an economical solution to measure dry gasses in building management, HVAC, or clean rooms with a voltage output in low ranges from ± 0.25 to ± 50 inH2O.

DIN Rail Mountable, Differential Pressure Transmitters

The PX663 series features a compact, space saving DIN rail mountable design in low differential pressure ranges with onboard voltage regulations.

Differential Low Pressure Custom

The Differential Low Pressure Custom series offers reliable air flow measurement and filter monitoring for building and duct static pressure control.

Rangeable, Wet/Wet Differential High Pressure Transmitters

The PX2310 series is suitable for energy management, process control, liquid level systems, etc. with 4 selectable outputs for ranges from 0-50 to 0-200 psi.

Wet/Wet Differential Pressure Transmitters, ± 0.25% Accuracy, 4-20 mA

The Series 645 Wet/Wet Differential Pressure Transmitters offer high accuracy for gas and liquid applications, ideal for process control and HVAC systems.

Differential Pressure Transmitters

Differential Pressure Transmitters convert pressure difference between two ports into an electrical signal for controls and monitoring. Products in this category span ACI, Omega Engineering, and Dwyer Instruments low differential transmitters for airflow and filter monitoring, panel-mount devices, 4 to 20 mA air and gas transmitters, wet/wet and wet/dry transducers, and compact duct pressure transmitters.

Applications include:

  • Building airflow and duct static pressure control
  • Filter, coil, and fan pressure drop monitoring
  • Cleanroom, data center, and critical room pressure systems
  • Wet/wet, wet/dry, and process differential pressure measurement

Choose by range, media, output, accuracy, mounting, calibration access, and whether the application is low-pressure air or industrial process service.

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