HVAC Manometers and Micromanometers

 
General DM8252RS Digital High Resolution Manometer with Stoppers
  • Type (Manometer): Digital
  • Max Pressure: 2 psi (55.36 IN of H2OWhat's This?)
  • Type of Input: Single
  • Engineering Units (HVAC): inch H2O, mmH2O, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $254.25

Your Price: $205.04

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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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Triplett DPR302 - Differential Pressure Manometers, +/- 2psi
  • Type (Manometer): Digital
  • Max Pressure: 10 psi (276.80 IN of H2OWhat's This?)
  • Type of Input: Dual
  • Engineering Units (HVAC): cmH2O, inch H2O, inch Hg, kg/cm2, kPa, mbar, mmHg, ozin2, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $199.99

Your Price: $143.70

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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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Triplett DPR305 - Differential Pressure Manometers, +/- 5psi
  • Type (Manometer): Digital
  • Max Pressure: 29 psi (802.72 IN of H2OWhat's This?)
  • Type of Input: Dual
  • Engineering Units (HVAC): cmH2O, inch Hg, kg/cm2, kPa, mbar, mmHg, ozin2, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $209.99

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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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Triplett DPR400 - Differential Pressure, Airflow and Pitot Tube Meter
  • Type (Manometer): Digital
  • Type of Input: Dual
  • Engineering Units (HVAC): inch H2O, mbar, mmH2O, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes
  • Anemometer Capability: Yes

List Price: $459.99

Your Price: $330.53

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Triplett DPR400-NIST - Differential Pressure, Airflow and Pitot Tube Meter (Incl NIST Cert.)
  • Type (Manometer): Digital
  • Max Pressure: 509.8 MM of H2O (9921454.50 IN of H2OWhat's This?)
  • Type of Input: Dual
  • Engineering Units (HVAC): inch H2O, mbar, mmH2O, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $739.99

Your Price: $584.90

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Seitron GT1 - Gas-T-One Manometer + Thermometer
  • Max Pressure: 80 IN of H2O
  • Type of Input: Dual
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Interfaces I/O: Other
  • Shipping Weight: 3 LBS

List Price: $399.00

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Seitron GT1-P - Gas-T-One Manometer + Thermometer with Wireless Bluetooth Printer
  • Max Pressure: 80 IN of H2O
  • Type of Input: Dual
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Interfaces I/O: Other
  • Shipping Weight: 10 LBS

List Price: $499.00

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Extech HD755 Pressure Manometer Differential 0.5psi
  • Type (Manometer): Digital
  • Max Pressure: 0.5 psi (13.84 IN of H2OWhat's This?)
  • Type of Input: Dual, Single
  • Engineering Units (HVAC): inch H2O, inch Hg, kPa, mmH2O, mmHg, psi
  • Measurement : Absolute, Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $246.39

Your Price: $219.43

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General Tools HG15 HVAC Hydrogauge Manometer
  • Type (Manometer): U-Tube
  • Max Pressure: N/A
  • Type of Input: Single
  • Engineering Units (HVAC): N/A
  • Measurement : Gauge
  • Min/Max/Hold: N/A

Your Price: $28.55

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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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