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HVAC Manometers and Micromanometers

 
407910 407910

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Extech 407910 Heavy Duty Differential Pressure Manometer (29psi)
  • Type (Manometer): Digital
  • Max Pressure: 29 psi (802.72 IN of H2OWhat's This?)
  • Type of Input: Dual, Single
  • Engineering Units (HVAC): inch H2O, inch Hg, mmH2O, mmHg, psi
  • Measurement : Absolute, Differential
  • Min/Max/Hold: Yes

List Price: $297.99

Your Price: $265.39

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475-3-FM 475-3-FM

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Dwyer 475-3-FM - Intrinsically Safe Handheld Digital Manometer, 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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635 635

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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

Your Price: $229.95

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645 645

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TPI 645 - Dual Input Differential Manometer
  • 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: $249.95

Your Price: $229.95

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645NPT 645NPT

(1 Review)

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

Your Price: $257.55

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HD750 HD750

(2 Reviews)

Extech HD750 Differential Pressure Manometer
  • Type (Manometer): Digital
  • Max Pressure: 5 psi (138.40 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: $257.39

Your Price: $229.23

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PCE-PDA 1L PCE-PDA 1L

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PCE Instruments PCE-PDA 1L - Manometer (2 kPa)
  • Type (Manometer): Digital
  • Max Pressure: 2 kPa (381.69 IN of H2OWhat's This?)
  • Type of Input: Dual
  • Engineering Units (HVAC): bar, cmH2O, hPa, inch H2O, inch Hg, kg/cm2, kPa, mbar, mmH2O, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: Yes

Your Price: $971.39

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ZM1000-DN0015 ZM1000-DN0015

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Meriam ZM1000-DN0015 Digital Calibrator
Catalog: ZM1000-DN0015
  • Max Pressure: 15 psi (15 hPaWhat's This?)
  • Accuracy: 0.025% F.S
  • Differential Pressure: Yes
  • HTS/Schedule B Number: 9026.20.4000
  • ECCN Number: EAR99
  • Calibration Included: NIST Calibration

List Price: $1,140.00

Your Price: $1,071.60

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407910-NIST 407910-NIST

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Extech 407910-NIST Heavy Duty Differential Pressure Manometer (29psi) with NIST Certificate
  • Type (Manometer): Digital
  • Max Pressure: 29 psi (802.72 IN of H2OWhat's This?)
  • Type of Input: Dual, Single
  • Engineering Units (HVAC): inch H2O, inch Hg, mmH2O, mmHg, psi
  • Measurement : Absolute, Differential
  • Min/Max/Hold: Yes

List Price: $452.99

Your Price: $403.43

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475-4-FM 475-4-FM

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Dwyer 475-4-FM - Intrinsically Safe Handheld Digital Manometer, 0-10.00 psi (.6895 bar), max. pressure 30 psig.
  • Type (Manometer): Digital
  • Max Pressure: 10 psi (276.80 IN of H2OWhat's This?)
  • 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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475-5-FM 475-5-FM

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Dwyer 475-5-FM - Intrinsically Safe Handheld Digital Manometer, 475-5-FM, 0-20 psi (1.379 bar)
  • Type (Manometer): Digital
  • Max Pressure: 20 psi (553.60 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): kPa, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $234.00

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475-6-FM 475-6-FM

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Dwyer 475-6-FM - Intrinsically Safe Handheld Digital Manometer, 0-30 psi (2.069 bar)
  • Type (Manometer): Digital
  • Max Pressure: 30 psi (830.40 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): kPa, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $234.00

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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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