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HVAC Manometers and Micromanometers

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490A-3 490A-3

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Dwyer 490A-3 - Wet/Wet Handheld Digital Manometer, 0 to 50 psi (0 to 344.8 kPa)
  • Type (Manometer): Digital
  • Max Pressure: 50 psi (1384.00 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, inch Hg, kPa, mbar, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $1,004.65

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490A-5 490A-5

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Dwyer 490A-5 - Wet/Wet Handheld Digital Manometer, 0 to 500 psi (0 to 3448 kPa)
  • Type (Manometer): Digital
  • Max Pressure: 500 psi (13839.95 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, inch Hg, kPa, mbar, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $1,004.65

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490A-6 490A-6

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Dwyer 490A-6 - Wet/Wet Handheld Digital Manometer, 0 to 200 psi (0 to 1379 kPa)
  • Type (Manometer): Digital
  • Max Pressure: 200 psi (5535.98 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, inch Hg, kPa, mbar, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $1,004.65

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7243 7243

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Wohler 7243 Digital Manometer
Catalog: 7243
  • Type (Manometer): Digital
  • Max Pressure: 2 Bar (802.93 IN of H2OWhat's This?)
  • Engineering Units (HVAC): bar, hPa
  • Measurement : Differential
  • Min/Max/Hold: N/A
  • Pressure and Leak Test Option: N/A

List Price: $371.00

Your Price: $333.90

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BTK2 BTK2

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Dwyer BTK2 - Backflow Prevention Test Kit
  • Engineering Units (HVAC): bar, psi
  • Product Weight: 8.9 LBS
  • Shipping Weight: 10.24 LBS

Your Price: $1,590.15

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DPM DPM

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UEi DPM - Wireless Differential Manometer
  • Type (Manometer): Digital
  • Max Pressure: 80 IN of H2O
  • Type of Input: Dual
  • Engineering Units (HVAC): bar, inch H2O, kPa, mbar, mmH2O, psi
  • Measurement : Differential
  • Warranty: 1 YEARS

List Price: $199.50

Your Price: $169.58

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DPR302-NIST DPR302-NIST

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Triplett DPR302-NIST - Differential Pressure Manometer with Certificate of Traceability to N.I.S.T., +/- 2 PSI
  • Type (Manometer): Digital
  • Max Pressure: 55.40 IN of H2O
  • Type of Input: Dual
  • Engineering Units (HVAC): bar, ftH2O, inch H2O, inch Hg, kg/cm2, kPa, mbar, mmHg, ozin2, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $334.99

Your Price: $264.96

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DPR305-NIST DPR305-NIST

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Triplett DPR305-NIST - Differential Pressure Manometer with Certificate of Traceability to N.I.S.T., +/- 5 PSI
  • Type (Manometer): Digital
  • Max Pressure: 138.40 IN of H2O
  • Type of Input: Dual
  • Engineering Units (HVAC): bar, cmH2O, ftH2O, inch H2O, inch Hg, kg/cm2, kPa, mbar, mmHg, ozin2, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $344.99

Your Price: $272.14

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HM3531ALI200 HM3531ALI200

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Dwyer HM3531ALI200 - Absolute Pressure Manometer, Range 0-15.9 psia, 0.1% Accuracy.
  • Type (Manometer): Digital
  • Max Pressure: 15.9 psi (440.11 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, cmH2O, ftH2O, hPa, inch Hg, kg/cm2, kPa, mbar, mmH2O, mmHg, psi
  • Measurement : Absolute
  • Min/Max/Hold: Yes

Your Price: $3,688.75

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HM3531ALJ100 HM3531ALJ100

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Dwyer HM3531ALJ100 - Absolute Pressure Manometer, Range 0-29 psia, 0.05% Accuracy.
  • Type (Manometer): Digital
  • Max Pressure: 29 psi (802.72 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, cmH2O, ftH2O, hPa, inch Hg, kg/cm2, kPa, mbar, mmH2O, mmHg, psi
  • Measurement : Absolute
  • Min/Max/Hold: Yes

Your Price: $4,880.00

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HM3531ALJ300 HM3531ALJ300

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Dwyer HM3531ALJ300 - Absolute Pressure Manometer, Range 0-29 psia, 0.2% Accuracy.
  • Type (Manometer): Digital
  • Max Pressure: 29 psi (802.72 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, cmH2O, ftH2O, hPa, inch Hg, kg/cm2, kPa, mbar, mmH2O, mmHg, psi
  • Measurement : Absolute
  • Min/Max/Hold: Yes

Your Price: $3,745.75

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HM3531ALK600 HM3531ALK600

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Dwyer HM3531ALK600 - Absolute Pressure Manometer, Range 0-108 psia, 0.1% of Reading Accuracy.
  • Type (Manometer): Digital
  • Max Pressure: 108 psi (2989.43 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, hPa, kg/cm2, kPa, mbar, mmHg
  • Measurement : Absolute
  • Min/Max/Hold: Yes

Your Price: $5,913.95

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Recommended for you

HVAC Manometers and Micromanometers

Manometers are used to measure low differential pressures and used in applications such as adjusting furnace blower fan speed. Modern day digital manometers originated from the inconveniences of the U-tube manometers. U-tube manometers use a glass, U shaped, tube filled with water or other fluid of known specific gravity, such as mercury. Hoses are connected to each end. As differential pressure is applied, the fluid displaces, creating a measurable height difference between columns.

Key Features to Consider in Selecting Manometers
  • Measurement range
  • Ability to change to many different measurement units
  • Min/Max/Data Hold feature
  • Datalogging
  • Zero function for offset correction
  • Kits containing a carrying case and hoses
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