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HVAC Manometers and Micromanometers

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510i 510i

0 reviews

Testo 510i - Differential Pressure Manometer Wireless Smart Probe
Catalog: 0560 1510 01
  • Max Pressure: 60 IN of H2O
  • Type of Input: Dual
  • Engineering Units (HVAC): hPa, inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A
  • Pressure and Leak Test Option: N/A

List Price: $185.00

Your Price: $157.25

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922 922

(3 Reviews)

Fluke 922 Airflow Meter
Catalog: 2679822
  • Type (anemometer): Pitot Tube
  • Measurement (anemometer): Ft/Min, m/s
  • Air Velocity Max: 16000 ft/min
  • Air Velocity Min: 250 ft/min
  • Accuracy Air Velocity: ± 2.5 % of reading at
    2000 fpm (10.00 m/s)
  • Humidity: No

List Price: $995.99

Your Price: $847.19

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621 621

0 reviews

TPI 621 Dual Differential Input Manometer
  • 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: $199.95

Your Price: $183.95

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EM201B EM201B

(3 Reviews)

UEi EM201B - Dual input differential digital manometer
  • Type (Manometer): Digital
  • Max Pressure: 40 IN of H2O
  • Type of Input: Single
  • Engineering Units (HVAC): inch H2O, mbar, psi
  • Measurement : Differential
  • Min/Max/Hold: Yes

List Price: $225.70

Your Price: $191.85

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C9557 C9557

0 reviews

Comark C9557 - Dry Use Pressure Meter, 0 to ±7000mbar
  • Type (Manometer): Digital
  • Max Pressure: 7000 mBar (13359235.78 IN of H2OWhat's This?)
  • Engineering Units (HVAC): cmH2O, inch H2O, inch Hg, kg/cm2, kPa, mbar, mmHg, psi
  • Warranty: 2 YEARS
  • Product Weight: 0.73 LBS
  • Product Height: 6.89 IN

List Price: $910.14

Your Price: $432.83

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1211-30 1211-30

0 reviews

Dwyer 1211-30 - Slack Tube Manometer, Range 15-0-15" w.c., 15 oz Water or Mercury Required.
  • Max Pressure: 15 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O, inch Hg
  • Measurement : Differential, Vaccum
  • Min/Max/Hold: N/A
  • Pressure and Leak Test Option: Yes

Your Price: $181.65

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1222-M1000-W/M 1222-M1000-W/M

0 reviews

Dwyer 1222-M1000-W/M - Flex-Tube U-Tube Manometer, Range 500-0-500 mm w.c.
  • Type (Manometer): U-Tube
  • Max Pressure: 500 MM of H2O (9730732.15 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $118.55

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422-10 422-10

0 reviews

Dwyer 422-10 - Inclined/Vertical Manometer
  • Type (Manometer): Inclined Tube
  • Max Pressure: 10 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $1,804.40

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475-00-FM-AV 475-00-FM-AV

0 reviews

Dwyer 475-00-FM-AV - Air Velocity Kit with Digital Manometer and 6" SS Pitot Tube
  • Type (Manometer): Digital
  • Max Pressure: 4 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O, kPa, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $582.40

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475-2-FM 475-2-FM

0 reviews

Dwyer 475-2-FM - Handheld Digital Manometer, 0-40.00" w.c. (9.96 kPa), max. pressure 10 psig.
  • Type (Manometer): Digital
  • Max Pressure: 40 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O, kPa, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $234.00

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475-3-FM 475-3-FM

0 reviews

Dwyer 475-3-FM - Digital Manometer, Handheld, Intrinsically Safe, 0-200.0" w.c. (49.82 kPa), max. pressure 30 psig.
  • Type (Manometer): Digital
  • Max Pressure: 200 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O, kPa, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $234.00

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477AV-7 477AV-7

0 reviews

Dwyer 477AV-7 - Handheld Digital Manometer, 0-100.00 psi, air velocity/flow modes.
  • Type (Manometer): Digital
  • Max Pressure: N/A
  • Type of Input: N/A
  • Engineering Units (HVAC): hPa, inch Hg, kPa, mbar, mmHg, psi
  • Min/Max/Hold: Yes
  • Pressure and Leak Test Option: N/A

Your Price: $232.95

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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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