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Differential Pressure Sensors & Transmitters
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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.
Product Number | Electrical Output | Pressure, Max | Pressure, Min |
---|---|---|---|
|
4 to 20 mA
|
6 psi
|
0 psi
|
|
4 to 20 mA
|
15 psi
|
0 psi
|
|
4 to 20 mA
|
30 psi
|
0 psi
|
|
4 to 20 mA
|
60 psi
|
0 psi
|
|
4 to 20 mA
|
100 psi
|
0 psi
|

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.
Product Number | Accuracy Class | Electrical Output | Pressure, Max | Pressure, Min |
---|---|---|---|---|
|
0.1% to 0.25%
|
4 to 20 mA
|
1 inH₂O
|
0 inH₂O
|
|
0.1% to 0.25%
|
4 to 20 mA
|
2 inH₂O
|
0 inH₂O
|
|
0.1% to 0.25%
|
4 to 20 mA
|
3 inH₂O
|
0 inH₂O
|
|
0.1% to 0.25%
|
4 to 20 mA
|
5 inH₂O
|
0 inH₂O
|
|
> 0.25%
|
4 to 20 mA
|
1 inH₂O
|
0 inH₂O
|

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.
Product Number | Electrical Output | Pressure, Max | Pressure, Min | Process Connection Type |
---|---|---|---|---|
|
4 to 20 mA
|
1 inH₂O
|
0 inH₂O
|
Barbed Fitting
|
|
4 to 20 mA
|
2 inH₂O
|
0 inH₂O
|
Barbed Fitting
|
|
4 to 20 mA
|
3 inH₂O
|
0 inH₂O
|
Barbed Fitting
|
|
4 to 20 mA
|
5 inH₂O
|
0 inH₂O
|
Barbed Fitting
|
|
4 to 20 mA
|
10 inH₂O
|
0 inH₂O
|
Barbed Fitting
|

Smart Differential Pressure Transmitter
Product Number | Display Type | Pressure, Max |
---|---|---|
|
N/A
|
10 inH₂O
|
|
N/A
|
30 inH₂O
|
|
N/A
|
100 inH₂O
|
|
N/A
|
200 inH₂O
|
|
N/A
|
1000 inH₂O
|

The Series 645 Wet/Wet Differential Pressure Transmitters offer high accuracy for gas and liquid applications, ideal for process control and HVAC systems.
Product Number | Electrical Output | Material Construction Option | Pressure, Max | Pressure, Min | Process Connection Type |
---|---|---|---|---|---|
|
4 to 20 mA
|
Standard
|
1 psi
|
0 psi
|
NPT Female
|
|
4 to 20 mA
|
Standard
|
2 psi
|
0 psi
|
NPT Female
|
|
4 to 20 mA
|
Standard
|
5 psi
|
0 psi
|
NPT Female
|
|
4 to 20 mA
|
Standard
|
10 psi
|
0 psi
|
NPT Female
|
|
4 to 20 mA
|
Standard
|
25 psi
|
0 psi
|
NPT Female
|

Differential Pressure Transmitter measures flow of various liquids and gases, pressure drop across filters, and energy management.
Product Number | Display Type | Pressure, Max |
---|---|---|
|
N/A
|
50 psi
|
|
N/A
|
100 psi
|
|
N/A
|
250 psi
|
|
LCD
|
50 psi
|
|
LCD
|
100 psi
|

Intrinsically Safe Differential Pressure Transmitter can be programmed to read in pressure, flow, or velocity in hazardous locations.
Product Number | Electrical Output | Pressure, Max | Pressure, Min |
---|---|---|---|
|
4 to 20 mA
|
0.25 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
1 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
5 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
10 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
25 inH₂O
|
0 inH₂O
|

The Series 668B/D Compact Differential Pressure Transmitters offer high accuracy and lightweight design, ideal for HVAC control and duct pressure measurement.
Product Number | Connection Location | Electrical Output | Pressure, Max | Pressure, Min |
---|---|---|---|---|
|
Front
|
4 to 20 mA
|
0.1 inH₂O
|
0 inH₂O
|
|
Front
|
4 to 20 mA
|
0.25 inH₂O
|
0 inH₂O
|
|
Front
|
0 to 10 V
|
0.25 inH₂O
|
0 inH₂O
|
|
Front
|
0 to 5 V
|
0.25 inH₂O
|
0 inH₂O
|
|
Front
|
4 to 20 mA
|
0.5 inH₂O
|
0 inH₂O
|

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.
Product Number | Accuracy | Pressure, Max | Pressure, Min |
---|---|---|---|
|
± 0.25 %
|
5 inH₂O
|
0 inH₂O
|
|
± 0.25 %
|
10 inH₂O
|
0 inH₂O
|
|
± 0.25 %
|
15 inH₂O
|
0 inH₂O
|
|
± 0.25 %
|
20 inH₂O
|
0 inH₂O
|
|
± 0.25 %
|
40 inH₂O
|
0 inH₂O
|

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.
Product Number | Electrical Output | Pressure, Max | Pressure, Min |
---|---|---|---|
|
4 to 20 mA
|
1 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
5 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
30 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
0.1 inH₂O
|
0 inH₂O
|
|
0 to 5 or 0 to 10 V
|
1 inH₂O
|
0 inH₂O
|

Explosion-Proof Multiplanar Differential
Pressure Transmitter is a microprocessor which has a flexible pressure calibration. Design simplifies installation.
Product Number | Display Type | Pressure, Max |
---|---|---|
|
N/A
|
30 inH₂O
|
|
N/A
|
150 inH₂O
|
|
N/A
|
300 psi
|
|
LCD
|
6 inH₂O
|
|
LCD
|
30 inH₂O
|

The Series 616KD-LR Differential Pressure Transmitter offers ±0.1% accuracy, easy calibration, and is perfect for air handlers, filter monitoring, and duct pressure applications.
Product Number | Accuracy | Pressure, Max | Pressure, Min | Process Connection Type |
---|---|---|---|---|
|
± 0.25 %
|
0.4 inH₂O
|
0 inH₂O
|
Stepped Barb Fitting
|
|
± 0.25 %
|
0.4 inH₂O
|
0 inH₂O
|
NPT Female
|
|
± 0.25 %
|
0.5 inH₂O
|
-0.5 inH₂O
|
Stepped Barb Fitting
|
|
± 0.25 %
|
0.5 inH₂O
|
-0.5 inH₂O
|
NPT Female
|
|
± 1 %
|
0.1 inH₂O
|
0 inH₂O
|
Stepped Barb Fitting
|

Intrinsically Safe Differential Pressure Transmitter using an ultra thin silicon diaphragm that enables precision measurement of pressures.
Product Number | Accuracy | Pressure, Max | Pressure, Min |
---|---|---|---|
|
± 0.5 %
|
0.1 inH₂O
|
0 inH₂O
|
|
± 0.5 %
|
0.25 inH₂O
|
0 inH₂O
|
|
± 0.5 %
|
0.5 inH₂O
|
0 inH₂O
|
|
± 0.5 %
|
1 inH₂O
|
0 inH₂O
|
|
± 0.5 %
|
2 inH₂O
|
0 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.
Product Number | Accuracy | Pressure, Max | Pressure, Min |
---|---|---|---|
|
± 0.8 %
|
0.1 inH₂O
|
0 inH₂O
|
|
± 0.8 %
|
0.25 inH₂O
|
0 inH₂O
|
|
± 0.8 %
|
0.5 inH₂O
|
0 inH₂O
|
|
± 0.8 %
|
1 inH₂O
|
0 inH₂O
|
|
± 0.8 %
|
2.5 inH₂O
|
0 inH₂O
|

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.
Product Number | Electrical Output | Pressure, Max | Pressure, Min |
---|---|---|---|
|
4 to 20 mA
|
0.1 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
0.25 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
0.5 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
1 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
2.5 inH₂O
|
0 inH₂O
|

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.
Product Number | Electrical Output | Pressure, Max | Pressure, Min |
---|---|---|---|
|
4 to 20 mA
|
1 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
3 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
25 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
5 inH₂O
|
0 inH₂O
|
|
4 to 20 mA
|
10 inH₂O
|
0 inH₂O
|

Differential pressure transmitters measure differential pressure and vacuum with adjustable ranges and output signals, suitable for installers and maintenance professionals.
Product Number | Accuracy | Electrical Output | Pressure, Max |
---|---|---|---|
|
± 0.5 %
|
4 to 20 mA
|
1 inH₂O
|
|
± 0.5 %
|
4 to 20 mA
|
2 inH₂O
|
|
± 0.5 %
|
4 to 20 mA
|
3 inH₂O
|
|
± 0.5 %
|
4 to 20 mA
|
5 inH₂O
|
|
± 0.5 %
|
4 to 20 mA
|
10 inH₂O
|

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.
Product Number | Accuracy | Pressure, Max | Pressure, Min |
---|---|---|---|
|
± 0.5 %
|
0.1 inH₂O
|
0 inH₂O
|
|
± 0.5 %
|
0.25 inH₂O
|
0 inH₂O
|
|
± 0.5 %
|
0.5 inH₂O
|
0 inH₂O
|
|
± 0.5 %
|
1 inH₂O
|
0 inH₂O
|
|
± 0.5 %
|
2 inH₂O
|
0 inH₂O
|

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.
Product Number | Material Construction Option | Pressure, Max |
---|---|---|
|
Standard
|
1 inH₂O
|
|
White Overlay
|
2 inH₂O
|

DIN Rail Mount Differential Pressure Transmitter senses pressure of air and gases then sends an output signal.
Product Number | Accuracy | Pressure, Max | Pressure, Min |
---|---|---|---|
|
± 0.25 %
|
0.1 inH₂O
|
0 inH₂O
|
|
± 0.25 %
|
0.25 inH₂O
|
0 inH₂O
|
|
± 0.25 %
|
0.5 inH₂O
|
0 inH₂O
|
|
± 0.25 %
|
1 inH₂O
|
0 inH₂O
|
|
± 0.25 %
|
2.5 inH₂O
|
0 inH₂O
|
Differential Pressure Sensors & Transmitters
Differential pressure sensor transmitters convert pressure readings into electrical signals for...
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