HVAC Manometers and Micromanometers

 
TPI 621C3 Piece Dual Input Digital Manometer Kit
  • Type (Manometer): Digital
  • Max Pressure: 4.34 psi (120.13 IN of H2OWhat's This?)
  • Type of Input: Dual, Single
  • Engineering Units (HVAC): inch H2O, inch Hg, kPa, mmH2O, mmHg, psi
  • Measurement : Absolute, Differential, Vaccum
  • Min/Max/Hold: No

List Price: $259.95

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List Price: $299.95

Your Price: $275.95

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TPI 623 Dual Input Differential Manometer
  • Type (Manometer): Digital
  • Max Pressure: 1.45 psi (40.14 IN of H2OWhat's This?)
  • Type of Input: Dual, Single
  • Engineering Units (HVAC): inch H2O, inch Hg, kPa, mmH2O, mmHg, psi
  • Measurement : Absolute, Differential, Vaccum
  • Min/Max/Hold: No

List Price: $249.95

Your Price: $229.95

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TPI 623C3 - Digital Manometer
  • Shipping Weight: 2 LBS
  • Country of Origin: Korea

List Price: $299.95

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TPI 625 Digital Manometer
  • Type (Manometer): Digital
  • Max Pressure: 1.734 psi (48.00 IN of H2OWhat's This?)
  • Type of Input: Dual, Single
  • Engineering Units (HVAC): inch H2O, inch Hg, kPa, mmH2O, mmHg, psi
  • Measurement : Absolute, Differential, Vaccum
  • Min/Max/Hold: Yes

List Price: $249.95

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TPI 635- Dual Input Differential Manometer
  • Type (Manometer): Digital
  • Max Pressure: 5 psi (138.40 IN of H2OWhat's This?)
  • Type of Input: Dual
  • Engineering Units (HVAC): inch H2O, inch Hg, kPa, mmHg, psi
  • Measurement : Absolute, Differential, Vaccum
  • Min/Max/Hold: Yes

List Price: $249.95

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TPI 645NPT Dual Input Differential Manometer with Stainless Steel Compression Fittings
  • Type (Manometer): Digital
  • Max Pressure: 29 psi (802.72 IN of H2OWhat's This?)
  • Type of Input: Dual
  • Engineering Units (HVAC): inch H2O, inch Hg, kPa, mmHg, psi
  • Measurement : Absolute, Differential, Vaccum
  • Min/Max/Hold: Yes

List Price: $279.95

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Yellow Jacket 67068 - YJACK Mano Wireless Dual Port Manometer
Catalog: 67068
  • Type (Manometer): Digital
  • Max Pressure: 80 IN of H2O
  • Type of Input: Dual
  • Engineering Units (HVAC): inch H2O, mbar, mmH2O, psi
  • Measurement : Differential
  • Min/Max/Hold: Yes

Your Price: $217.78

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TPI SP620 Differential Manometer
  • Country of Origin: Korea

List Price: $99.95

Your Price: $91.95

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List Price: $289.95

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List Price: $419.95

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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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