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Differential Pressure Transmitters

18 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.

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.

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, 0-25 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."

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.

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.

DIN Rail Differential Pressure Transmitter, 4-20 mA, 0.1-25 inH2O

DIN Rail Mount Differential Pressure Transmitter senses pressure of air and gases then sends an output signal.

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.

DM-2000 Differential Pressure Transmitter for Air & Gases, 4-20 mA

Differential Pressure Transmitter senses pressure of air and gases and sends an output signal. Designed to mount in the same diameter cutout as a Magnehelic gage.

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.

Low Differential Pressure Transmitters, ± 0.25% or ± 0.5% FS Accuracy

Low Differential Pressure Transmitter measure pressure and flow at high resolutions. Easy access pressure ports and electrical connections

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 Pressure Transmitters with 6 Field Selectable Ranges

The PX274 series have a rugged, seamless, NEMA 4 enclosure and 6 field selectable ranges with a 4-20 mA output. Available in ranges from 0-0.1 to 0-30 in H2O.

Differential Pressure Transmitters

Differential Pressure Transmitters products cover Differential Pressure Transmitters, Differential Pressure Transmitters for OEM Applications, Bidirectional, Differential Pressure Transmitters, and DIN Rail Mountable, Differential Pressure Transmitters. The scope focuses on the product families now represented here. Represented brands in the current product-model context include Dwyer Instruments and Omega Engineering.

Products in this category support process control, facility monitoring, laboratory testing, and OEM equipment. Use this page when the application requires measurement function, installation style, environment, and output requirements to be matched before comparing individual product models, datasheets, and configuration options.

Applications include:

  • process control
  • facility monitoring
  • laboratory testing
  • OEM equipment
  • maintenance replacement
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