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Differential Pressure Transmitters

41 Products
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.

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.

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.

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.

Bidirectional, Differential Pressure Transmitters

The PX654 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 +± 100 inH2O.

Magnehelic® Transmitter for Low DP Monitoring in HVAC, 4-20 mA Output

The Series 605 Magnehelic® Transmitter offers easy visual monitoring of low differential pressure in HVAC systems, featuring a clear dial and reliable 4-20 mA output.

MSX Magnesense® Differential Pressure Transmitter, 32 Ranges, Dual Output

The MSX Magnesense® Differential Pressure Transmitter offers 32 pressure ranges and dual outputs, ideal for building control in various applications. Easy to install and read.

616KX Differential Pressure Transmitters, One-Touch® Calibration

Transmits velocity pressure at-fan or differential pressure across filters. Its compact, minimizing space needed in control panel. Easy set-up and one-touch calibration.

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.

Differential Pressure Transmitter, 4-20 mA/0-10 Vdc, DIN Rail, Air/Gas

DIN Rail Differential Pressure Transmitter are not intended for re-ranging. Designed to mount on a DIN rail. Versatile circuit design enables operation in 2-wire current loops.

Wet/Wet Differential Pressure Transmitter, Dual Sensors, 0.5% Accuracy, NEMA 4X

The Series 629C Wet/Wet Differential Pressure Transmitter features dual sensors for accurate monitoring of gases and liquids. Its NEMA 4X design ensures durability and reliability.

Programmable Differential Pressure Transmitter, 4-20 mA, NEMA 4X, 0.5% Accuracy

Intrinsically Safe Differential Pressure Transmitter can be programmed to read in pressure, flow, or velocity in hazardous locations.

677B Low Pressure DP Transmitter, ± 0.4% Accuracy, NEMA 4 Housing

Differential Pressure Transmitter measure pressures as low as 0.1 in w.c. Applications include variable air volume, environmental pollution control, and building energy management.

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.

Differential Pressure Transmitter, ± 0.25% Accuracy, NEMA 4X, 4-20 mA Output

Positive, negative and differential pressures can be measured within a full span accuracy of ± 0.25.

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.

Differential Pressure Transmitter, 0-25 inH2O, ± 0.25% Accuracy, NIST Certified

Low Range Differential Pressure Transmitter combine low ranges with stability and reliability. Ultra thin glass clad silicon diaphragm design resists shock and vibration, a drift.

Pro Differential Pressure Transmitter - 32 Ranges - NIST Options

The Pro Differential Pressure Transmitter offers 32 configurable ranges for precise monitoring in critical environments. Ideal for building performance and air flow applications.

Differential Pressure Transmitters – ± 0.4% to ± 0.8% Accuracy, 0.1-25 inH2O

The Series 648B and 648C Differential Pressure Transmitters are ideal for clean, dry air and non-corrosive gases, featuring easy calibration and rugged design.

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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