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HVAC Manometers and Micromanometers

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477B-7 477B-7

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Dwyer 477B-7 - Handheld Digital Manometer, 0 to 100 psi (0 to 689.5 kPa)
  • Type (Manometer): Digital
  • Safety Approval: CE
  • Product Weight: 289 GRAMS (0.637 LBSWhat's This?)
  • Shipping Weight: 1 LBS
  • Battery Type: Other
  • Power Supply Voltage: Battery Powered

Your Price: $524.15

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478A-0 478A-0

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Dwyer 478A-0 - Differential Pressure Digital Manometer, -4 to 0 to 4 inches WC
  • Type (Manometer): Digital
  • Max Pressure: 4 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: Yes

Your Price: $229.10

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478A-1 478A-1

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Dwyer 478A-1 - Differential Pressure Digital Manometer, -60 to 60" w.c.
  • Type (Manometer): Digital
  • Max Pressure: 60 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: Yes

Your Price: $178.65

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490A-1 490A-1

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Dwyer 490A-1 - Wet/Wet Handheld Digital Manometer, 0 to 15 psi (0 to 103.4 kPa)
  • Type (Manometer): Digital
  • Max Pressure: 15 psi (415.20 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, inch Hg, kPa, mbar, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $1,004.65

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490A-2 490A-2

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Dwyer 490A-2 - Wet/Wet Handheld Digital Manometer, 0 to 30 psi (0 to 206.9 kPa)
  • Type (Manometer): Digital
  • Max Pressure: 30 psi (830.40 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, inch Hg, kPa, mbar, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $1,004.65

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490A-3 490A-3

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Dwyer 490A-3 - Wet/Wet Handheld Digital Manometer, 0 to 50 psi (0 to 344.8 kPa)
  • Type (Manometer): Digital
  • Max Pressure: 50 psi (1384.00 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, inch Hg, kPa, mbar, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $1,004.65

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490A-5 490A-5

(1 Review)

Dwyer 490A-5 - Wet/Wet Handheld Digital Manometer, 0 to 500 psi (0 to 3448 kPa)
  • Type (Manometer): Digital
  • Max Pressure: 500 psi (13839.95 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, inch Hg, kPa, mbar, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $1,004.65

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490A-6 490A-6

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Dwyer 490A-6 - Wet/Wet Handheld Digital Manometer, 0 to 200 psi (0 to 1379 kPa)
  • Type (Manometer): Digital
  • Max Pressure: 200 psi (5535.98 IN of H2OWhat's This?)
  • Type of Input: N/A
  • Engineering Units (HVAC): bar, inch Hg, kPa, mbar, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $1,004.65

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490W-6-HKIT 490W-6-HKIT

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Dwyer 490W-6-HKIT - Hydronic Differential Pressure Manometer with Wireless Sensors
  • Type (Manometer): Digital, Hydronic
  • Type of Input: Single
  • Measurement : Differential
  • Product Weight: 2 LBS
  • Shipping Weight: 2.3 LBS
  • HTS/Schedule B Number: 9026.20.4000

Your Price: $3,766.80

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512-2 512-2

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Testo 512-2 - Digital Differential Pressure Measuring Instrument (Part # 0563 2512)
Catalog: 0563 2512
  • Type (Manometer): Digital
  • Max Pressure: 800 IN of H2O
  • Type of Input: Dual
  • Engineering Units (HVAC): hPa, inch H2O, inch Hg, kPa, mmH2O, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: Yes

List Price: $540.00

Your Price: $490.00

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5815 5815

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TSI 5815 DP-Calc Micromanometer
  • Product Height: 5.25 IN
  • Product Length: 15.75 IN
  • Product Width: 11.75 IN
  • HTS/Schedule B Number: 9026.20.8000
  • ECCN Number: EAR99
  • Country of Origin: United States

List Price: $690.00

Your Price: $621.00

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5825 5825

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TSI 5825 DP-Calc Micromanometer
  • Product Height: 5.00 IN
  • Product Length: 16.50 IN
  • Product Width: 12.75 IN
  • Shipping Height: 5.00 IN
  • Shipping Length: 16.50 IN
  • Shipping Width: 12.75 IN

List Price: $1,065.00

Your Price: $958.50

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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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