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Differential Pressure Transmitters

45 Products
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.

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.

Wet-to-Wet Differential Pressure Transmitter, 30 Configurable Options

Differential Pressure Transmitter measures flow of various liquids and gases, pressure drop across filters, and energy management.

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.

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.

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.

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.

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, 0.1 inH2O, 4-20 mA, NEMA 4X, FM Safe

Intrinsically Safe Differential Pressure Transmitter using an ultra thin silicon diaphragm that enables precision measurement of pressures.

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.

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."

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.

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 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.

Wet/Wet Differential Pressure Transmitter, 4-20 mA, Temp Compensated

The Series 647 Wet/Wet Differential Pressure Transmitter accurately monitors pressure in air/liquid systems. Temperature compensated with a 4-20 mA output for easy integration.

Low Pressure Differential Pressure Transmitter, ± 0.50% Accuracy, 4-20 mA

Differential Pressure Transmitters sense low pressure of air and gases, then sends an output signal. All models are factory calibrated to specific ranges

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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