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Dwyer HVAC Manometers and Micromanometers

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475-8-FM 475-8-FM

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Dwyer 475-8-FM - Intrinsically Safe Handheld Digital Manometer, 0-150 psi (10.34 bar)
  • Type (Manometer): Digital
  • Max Pressure: 150 psi (4151.99 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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476A-0 476A-0

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Dwyer 476A-0 - Pressure Digital Manometer Handheld, -20 to 0 to +20 inches WC
  • Type (Manometer): Digital
  • Max Pressure: 20 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $199.70

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477AV-0 477AV-0

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Dwyer 477AV-0 - Handheld Digital Manometer, 0-10" wc, 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: $359.85

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477AV-00 477AV-00

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Dwyer 477AV-00 - Handheld Digital Manometer, 0-4" wc, 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: $359.85

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477AV-000 477AV-000

(1 Review)

Dwyer 477AV-000 - Handheld Digital Manometer, 0-1" wc, 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: $381.70

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477AV-1 477AV-1

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Dwyer 477AV-1 - Handheld Digital Manometer, 0-20" wc, 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: $359.85

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477AV-2 477AV-2

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Dwyer 477AV-2 - Handheld Digital Manometer, 0-40" wc, 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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477AV-3-BK 477AV-3-BK

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Dwyer 477AV-3-BK - Handheld Digital Manometer with Boot Kit
  • 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: $247.00

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477AV-4 477AV-4

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Dwyer 477AV-4 - Handheld Digital Manometer, 0-10 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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477AV-5 477AV-5

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Dwyer 477AV-5 - Handheld Digital Manometer, 0-20 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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477AV-6 477AV-6

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Dwyer 477AV-6 - Handheld Digital Manometer, 0-30 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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477AV-8 477AV-8

(1 Review)

Dwyer 477AV-8 - Handheld Digital Manometer, 0-150 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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In Stock:
  • Free shipping over $99 - Code: FREESHIP
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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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