Dwyer Differential Pressure Transmitters

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Differential Pressure Transmitters

These transmitters allow professionals to monitor pressure in ducts, rooms, or total building pressure. They give indication of clean room pressures and can be used in a variety of pressure and flow applications. Find a wide selection of these transmitters to fit your application.


Dwyer MS Series Magnesense Differential Pressure Transmitters-

Dwyer MS Series Magnesense Differential Pressure Transmitters

Extremely versatile transmitter for monitoring pressure and air velocity. Includes features such as field selectable English or metric ranges, field upgradeable LCD display, adjustable dampening of output signal (with optional display) and the ability to select a square root output for use with Pitot tubes and other similar flow sensors.


Dwyer 605 Series Magnehelic Differential Pressure Indicating Transmitters-

Dwyer 605 Series Magnehelic Differential Pressure Indicating Transmitters

Provides for both visual monitoring and electronic control of very low differential pressure. The 605 Series is ideal for control applications in building HVAC/R systems where local indication is desired during routine maintenance checks or necessary when trouble shooting the system.


Dwyer 616KD Series Differential Pressure Transmitters-

Dwyer 616KD Series Differential Pressure Transmitters

With a single digital push button, both zero and span are calibrated properly, nothing else is required.


Dwyer DM-2000 Series Differential Pressure Transmitters-

Dwyer DM-2000 Series Differential Pressure Transmitters

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 gauge. A wide range of models are available factory calibrated to specific ranges.


Dwyer 607 Series Differential Pressure Transmitters-

Dwyer 607 Series Differential Pressure Transmitters

Combines very low ranges with exceptional stability, reliability and either ±0.25% or ±0.5% accuracy for the most demanding applications. Certification to NIST standards is included with each unit. Tough stainless steel housing is NEMA 2 rated to protect against moisture and dirt. Use with air and other compatible gases.


Dwyer 629C series wet wet differential pressure transmitter-

Dwyer 629C series wet wet differential pressure transmitter

Monitors differential pressure of air and compatible gases and liquids with 0.5% accuracy. The design employs dual pressure sensors converting pressure changes into a standard 4 to 20 mA output signal or field selectable voltage.


Dwyer 616D Series Differential Pressure Transmitters-

Dwyer 616D Series Differential Pressure Transmitters

Senses the pressure of air and compatible gases and sends a standard 4-20 mA output signal. The housing is specifically designed to mount on a 35 mm DIN rail in a panel. Mounting style allows for several units to be mounted closely together reducing required space. The span and zero controls are for use when checking calibration.


Dwyer 668 Series Differential Pressure Transmitters-

Dwyer 668 Series Differential Pressure Transmitters

Capable of measuring low pressures with a ±1% accuracy - ideally suited for proper building pressurization and air flow control. Can withstand up to 10 psig overpressure with no damage to the unit. Variable capacitance sensor design provides excellent sensitivity and long-term stability. Units also feature reverse-polarity protection.


Dwyer 677B Series Differential Pressure Transmitters-

Dwyer 677B Series Differential Pressure Transmitters

Designed to measure pressures as low as 0.1 in w.c. with ±0.4% accuracy. The transmitter features 15 psid overpressure, reverse polarity protection and EMI/RFI protection. The NEMA 4 housing allows for versatile mounting locations and integral mounting tabs simplify installation.


Dwyer 616W Series Differential Pressure Transmitters-

Dwyer 616W Series Differential Pressure Transmitters

Positive, negative and differential pressures can be measured within a full span accuracy of ±0.25. Units are enclosed in a polycarbonate case, rated NEMA 4X (IP66) and operate by sensing the pressure of air and compatible gases then sending a standard 4-20 mA output signal. Design enables operation in 2-wire current loops


Dwyer 3100MP Series, Multiplanar Differential Pressure Transmitter, Explosion-Proof-

Dwyer 3100MP Series, Multiplanar Differential Pressure Transmitter, Explosion-Proof

Microprocessor-based high performance transmitter, which has flexible pressure calibration, push button configuration, and is programmable using HART® Communication. The multiplanar design simplifies installation, saving you time and money during set up.


Dwyer 616WL Series Differential Pressure Transmitters-

Dwyer 616WL Series Differential Pressure Transmitters

Senses very low pressures of air and non-combustible, compatible gases and sends a standard 4-20 mA output signal. Positive, negative and differential pressures can be measured within a full span accuracy of ±0.50%. This weatherproof unit is enclosed in a polycarbonate case, designed to meet (IP66/NEMA 4X).


Dwyer 636D Series Fixed Range Differential Pressure Transmitters-

Dwyer 636D Series Fixed Range Differential Pressure Transmitters

Can be used for measuring pressures of liquids, gases & vapors. All available ranges have 0.5% F.S. accuracy with a 4-20 mA Output standard or optional 1-5 VDC output. The NEMA 4 housing is an all 316 welded construction that is designed to withstand the harshest environmental conditions and is compatible with most media.


Dwyer 645 Series Wet/Wet Differential Pressure Transmitters-

Dwyer 645 Series Wet/Wet Differential Pressure Transmitters

Designed for use with compatible gases and liquids which can be applied to both the pressure and reference ports. Quick response capacitance sensor delivers a 4 to 20 mA output signal proportional to differential pressure with ±.25% accuracy. For ease of installation and maintenance, order optional 3-valve manifold assembly.


Dwyer 647 Series Wet/Wet Differential Pressure Transmitters-

Dwyer 647 Series Wet/Wet Differential Pressure Transmitters

Monitor differential pressure in air/liquid flow systems, HVAC/R automation, pneumatic systems and process control with the Series 647 Wet/Wet Differential Pressure Transmitter. Units are temperature compensated and provide a 4 to 20 mA output signal.


Dwyer ISDP Series Intrinsically Safe Differential Pressure Transmitters-

Dwyer ISDP Series Intrinsically Safe Differential Pressure Transmitters

Provides a 4 to 20 mA process output, a robust NEMA 4X enclosure, plus a large LCD display that can be programmed to read in pressure, velocity or flow. Features security level, English or Metric engineering units, pressure, velocity or flow operation, K-factor, volumetric flow operation, plus many more.


Dwyer 629 Series Wet/Wet Differential Pressure Transmitters-

Dwyer 629 Series Wet/Wet Differential Pressure Transmitters

Monitors differential pressure of air and compatible gases and liquids with 0.5% accuracy. The design employs dual pressure sensors converting pressure changes into a standard 4-20 mA output signal for two wire circuits. Small internal volume and minimum moving parts result in exceptional response and reliability.


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