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Differential Pressure Sensors & Transmitters

41 Products
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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
636D-0
$1.00
Available
in 0 week
4 to 20 mA
6 psi
0 psi
636D-1
$1.00
Available
in 0 week
4 to 20 mA
15 psi
0 psi
636D-2
$2,097.65
Available
in 27 weeks
4 to 20 mA
30 psi
0 psi
636D-3
$2,097.65
Available
in 27 weeks
4 to 20 mA
60 psi
0 psi
636D-4
$2,097.65
Available
in 27 weeks
4 to 20 mA
100 psi
0 psi
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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
PX657-1DI
$1,590.86
Available
in 6 weeks
0.1% to 0.25%
4 to 20 mA
1 inH₂O
0 inH₂O
PX657-2DI
$1,590.86
Available
in 6 weeks
0.1% to 0.25%
4 to 20 mA
2 inH₂O
0 inH₂O
PX657-3DI
$1,590.86
Available
in 6 weeks
0.1% to 0.25%
4 to 20 mA
3 inH₂O
0 inH₂O
PX657-5DI
$1,590.86
2  In Stock
0.1% to 0.25%
4 to 20 mA
5 inH₂O
0 inH₂O
PX656-01DI
$1,151.56
Available
in 6 weeks
> 0.25%
4 to 20 mA
1 inH₂O
0 inH₂O
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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
PX655-01DI
$805.57
Available
in 6 weeks
4 to 20 mA
1 inH₂O
0 inH₂O
Barbed Fitting
PX655-02DI
$766.74
9  In Stock
4 to 20 mA
2 inH₂O
0 inH₂O
Barbed Fitting
PX655-03DI
$805.57
1  In Stock
4 to 20 mA
3 inH₂O
0 inH₂O
Barbed Fitting
PX655-05DI
$766.74
Available
in 6 weeks
4 to 20 mA
5 inH₂O
0 inH₂O
Barbed Fitting
PX655-10DI
$766.74
4  In Stock
4 to 20 mA
10 inH₂O
0 inH₂O
Barbed Fitting
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Product Number Display Type Pressure, Max
3500-AL-02-NF-2
$1,473.05
Available
in 13 weeks
N/A
10 inH₂O
3500-AL-04-NF-2
$1,477.40
Available
in 13 weeks
N/A
30 inH₂O
3500-AL-08-NF-2
$1,477.40
Available
in 14 weeks
N/A
100 inH₂O
3500-AL-10-NF-2
$1,477.40
Available
in 13 weeks
N/A
200 inH₂O
3500-AL-15-NF-2
$1.00
Available
in 0 week
N/A
1000 inH₂O
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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
645-0
$857.15
Available
in 7 weeks
4 to 20 mA
Standard
1 psi
0 psi
NPT Female
645-1
$857.15
Available
in 9 weeks
4 to 20 mA
Standard
2 psi
0 psi
NPT Female
645-2
$857.15
Available
in 7 weeks
4 to 20 mA
Standard
5 psi
0 psi
NPT Female
645-3
$857.15
Available
in 6 weeks
4 to 20 mA
Standard
10 psi
0 psi
NPT Female
645-4
$857.15
Available
in 8 weeks
4 to 20 mA
Standard
25 psi
0 psi
NPT Female
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Differential Pressure Transmitter measures flow of various liquids and gases, pressure drop across filters, and energy management.

Product Number Display Type Pressure, Max
WWDP-1
$1,118.75
Available
in 10 weeks
N/A
50 psi
WWDP-2
$1,108.55
Available
in 16 weeks
N/A
100 psi
WWDP-3
$1,111.60
Available
in 10 weeks
N/A
250 psi
WWDP-1-LCD
$1,179.25
Available
in 10 weeks
LCD
50 psi
WWDP-2-LCD
$1,189.20
Available
in 15 weeks
LCD
100 psi
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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
ISDP-002
$1,580.00
Available
in 4 weeks
4 to 20 mA
0.25 inH₂O
0 inH₂O
ISDP-004
$1,580.00
Available
in 4 weeks
4 to 20 mA
1 inH₂O
0 inH₂O
ISDP-006
$1,289.00
Available
in 4 weeks
4 to 20 mA
5 inH₂O
0 inH₂O
ISDP-007
$1,289.00
Available
in 4 weeks
4 to 20 mA
10 inH₂O
0 inH₂O
ISDP-008
$1,289.00
Available
in 4 weeks
4 to 20 mA
25 inH₂O
0 inH₂O
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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
668B-01-1
$1.00
Available
in 0 week
Front
4 to 20 mA
0.1 inH₂O
0 inH₂O
668B-02-1
$1.00
Available
in 0 week
Front
4 to 20 mA
0.25 inH₂O
0 inH₂O
668B-02-2
$1.00
Available
in 0 week
Front
0 to 10 V
0.25 inH₂O
0 inH₂O
668B-02-3
$1.00
Available
in 0 week
Front
0 to 5 V
0.25 inH₂O
0 inH₂O
668B-03-1
$1.00
Available
in 0 week
Front
4 to 20 mA
0.5 inH₂O
0 inH₂O
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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
616KX-025-107-IN
$153.00
Available
in 2 weeks
± 0.25 %
5 inH₂O
0 inH₂O
616KX-025-108-IN
$153.00
Available
in 2 weeks
± 0.25 %
10 inH₂O
0 inH₂O
616KX-025-109-IN
$153.00
Available
in 2 weeks
± 0.25 %
15 inH₂O
0 inH₂O
616KX-025-110-IN
$153.00
Available
in 2 weeks
± 0.25 %
20 inH₂O
0 inH₂O
616KX-025-112-IN
$98.00
Available
in 2 weeks
± 0.25 %
40 inH₂O
0 inH₂O
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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
PX274-01DI
Not Available
Discontinued
4 to 20 mA
1 inH₂O
0 inH₂O
PX274-05DI
Not Available
Discontinued
4 to 20 mA
5 inH₂O
0 inH₂O
PX274-30DI
Not Available
Discontinued
4 to 20 mA
30 inH₂O
0 inH₂O
PX274-0.1DI
$319.11
1  In Stock
4 to 20 mA
0.1 inH₂O
0 inH₂O
PX277-01D5V
Not Available
Discontinued
0 to 5 or 0 to 10 V
1 inH₂O
0 inH₂O
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Explosion-Proof Multiplanar Differential
Pressure Transmitter is a microprocessor which has a flexible pressure calibration. Design simplifies installation.

Product Number Display Type Pressure, Max
3100MP-2-FM-1-1
$2,548.15
Available
in 7 weeks
N/A
30 inH₂O
3100MP-3-FM-1-1
$1.00
Available
in 0 week
N/A
150 inH₂O
3100MP-6-FM-1-1
$1.00
Available
in 0 week
N/A
300 psi
3100MP-1-FM-1-1-LCD
$1.00
Available
in 0 week
LCD
6 inH₂O
3100MP-2-FM-1-1-LCD
$2,672.70
Available
in 7 weeks
LCD
30 inH₂O
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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
616KD-LR-A34-BD1
$191.70
Available
in 3 weeks
± 0.25 %
0.4 inH₂O
0 inH₂O
Stepped Barb Fitting
616KD-LR-A34-ND1
$213.15
Available
in 3 weeks
± 0.25 %
0.4 inH₂O
0 inH₂O
NPT Female
616KD-LR-A45-BD1
$191.70
Available
in 3 weeks
± 0.25 %
0.5 inH₂O
-0.5 inH₂O
Stepped Barb Fitting
616KD-LR-A45-ND1
$213.15
Available
in 3 weeks
± 0.25 %
0.5 inH₂O
-0.5 inH₂O
NPT Female
616KD-LR-B31-BD1
$127.35
Available
in 3 weeks
± 1 %
0.1 inH₂O
0 inH₂O
Stepped Barb Fitting
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Intrinsically Safe Differential Pressure Transmitter using an ultra thin silicon diaphragm that enables precision measurement of pressures.

Product Number Accuracy Pressure, Max Pressure, Min
608-00
$1,615.20
Available
in 11 weeks
± 0.5 %
0.1 inH₂O
0 inH₂O
608-01
$1,513.90
Available
in 11 weeks
± 0.5 %
0.25 inH₂O
0 inH₂O
608-02
$1,458.75
Available
in 11 weeks
± 0.5 %
0.5 inH₂O
0 inH₂O
608-03
$1,333.70
Available
in 11 weeks
± 0.5 %
1 inH₂O
0 inH₂O
608-04
$1,309.45
Available
in 6 weeks
± 0.5 %
2 inH₂O
0 inH₂O
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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
648B-01
$1.00
Available
in 0 week
± 0.8 %
0.1 inH₂O
0 inH₂O
648B-02
$1.00
Available
in 0 week
± 0.8 %
0.25 inH₂O
0 inH₂O
648B-03
$1.00
Available
in 0 week
± 0.8 %
0.5 inH₂O
0 inH₂O
648B-04
$293.55
Available
in 5 weeks
± 0.8 %
1 inH₂O
0 inH₂O
648B-05
$1.00
Available
in 0 week
± 0.8 %
2.5 inH₂O
0 inH₂O
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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
677B-01
$415.30
Available
in 5 weeks
4 to 20 mA
0.1 inH₂O
0 inH₂O
677B-02
$415.30
Available
in 5 weeks
4 to 20 mA
0.25 inH₂O
0 inH₂O
677B-03
$415.30
Available
in 7 weeks
4 to 20 mA
0.5 inH₂O
0 inH₂O
677B-04
$415.30
Available
in 7 weeks
4 to 20 mA
1 inH₂O
0 inH₂O
677B-05
$415.30
Available
in 5 weeks
4 to 20 mA
2.5 inH₂O
0 inH₂O
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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
647-0
$845.90
Available
in 6 weeks
4 to 20 mA
1 inH₂O
0 inH₂O
647-1
$626.40
Available
in 7 weeks
4 to 20 mA
3 inH₂O
0 inH₂O
647-2
$626.40
Available
in 7 weeks
4 to 20 mA
25 inH₂O
0 inH₂O
647-3
$626.40
Available
in 7 weeks
4 to 20 mA
5 inH₂O
0 inH₂O
647-4
$626.40
Available
in 6 weeks
4 to 20 mA
10 inH₂O
0 inH₂O
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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
685-00
$140.90
Available
in 5 weeks
± 0.5 %
4 to 20 mA
1 inH₂O
685-01
$122.80
Available
in 5 weeks
± 0.5 %
4 to 20 mA
2 inH₂O
685-02
$1.00
Available
in 0 week
± 0.5 %
4 to 20 mA
3 inH₂O
685-03
$122.80
Available
in 5 weeks
± 0.5 %
4 to 20 mA
5 inH₂O
685-04
$140.90
Available
in 5 weeks
± 0.5 %
4 to 20 mA
10 inH₂O
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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
607-0
$1,076.65
Available
in 6 weeks
± 0.5 %
0.1 inH₂O
0 inH₂O
607-1
$949.25
Available
in 11 weeks
± 0.5 %
0.25 inH₂O
0 inH₂O
607-2
$918.40
Available
in 6 weeks
± 0.5 %
0.5 inH₂O
0 inH₂O
607-3
$853.55
Available
in 6 weeks
± 0.5 %
1 inH₂O
0 inH₂O
607-4
$853.55
Available
in 6 weeks
± 0.5 %
2 inH₂O
0 inH₂O
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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
DM-2004-LCD
$158.25
Available
in 2 weeks
Standard
1 inH₂O
DM-2105-LCD
$193.00
Available
in 2 weeks
White Overlay
2 inH₂O
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DIN Rail Mount Differential Pressure Transmitter senses pressure of air and gases then sends an output signal.

Product Number Accuracy Pressure, Max Pressure, Min
607D-01
$452.80
Available
in 5 weeks
± 0.25 %
0.1 inH₂O
0 inH₂O
607D-02
$452.80
Available
in 7 weeks
± 0.25 %
0.25 inH₂O
0 inH₂O
607D-03
$452.80
Available
in 7 weeks
± 0.25 %
0.5 inH₂O
0 inH₂O
607D-04
$452.80
Available
in 7 weeks
± 0.25 %
1 inH₂O
0 inH₂O
607D-05
$452.80
Available
in 5 weeks
± 0.25 %
2.5 inH₂O
0 inH₂O
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Differential Pressure Sensors & Transmitters

Differential pressure sensor transmitters convert pressure readings into electrical signals for...
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