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HVAC Manometers and Micromanometers

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1222-8-D 1222-8-D

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Dwyer 1222-8-D - Flex-Tube U-Tube Manometer, Range 4-0-4" w.c.
  • Type (Manometer): U-Tube
  • Engineering Units (HVAC): inch H2O
  • Unique Features: U-tube manometer, range 4-0-4" w.c.
  • Country of Origin: United States

Your Price: $83.70

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1222-M1000-D 1222-M1000-D

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Dwyer 1222-M1000-D - 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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1222-M600-W/M 1222-M600-W/M

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Dwyer 1222-M600-W/M - Flex-Tube U-Tube Manometer, Range 300-0-300 mm w.c.
  • Type (Manometer): U-Tube

Your Price: $99.30

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1223-12-D 1223-12-D

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Dwyer 1223-12-D - Flex-Tube U-Tube Manometer, Range 6-0-6" w.c.
  • Type (Manometer): U-Tube
  • Max Pressure: 6 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $172.65

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1223-12-W/M 1223-12-W/M

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Dwyer 1223-12-W/M - Flex-Tube U-Tube Manometer, Range 6-0-6" w.c.
  • Type (Manometer): U-Tube
  • Max Pressure: 6 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $172.65

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1223-16-D 1223-16-D

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Dwyer 1223-16-D - Flex-Tube U-Tube Manometer, Range 8-0-8" w.c.
  • Type (Manometer): U-Tube
  • Max Pressure: 8 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $147.70

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1223-16-W/M 1223-16-W/M

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Dwyer 1223-16-W/M - U-Tube Manometer, 8-0-8" w.c., 9.5 oz (269 g) Mercury Required to Fill
  • Type (Manometer): U-Tube
  • Max Pressure: 8 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $147.70

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1223-20-D 1223-20-D

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Dwyer 1223-20-D - Flex-Tube U-Tube Manometer, Range 10-0-10" w.c.
  • Type (Manometer): U-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: $176.80

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1223-20-W/M 1223-20-W/M

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Dwyer 1223-20-W/M - Flex-Tube U-Tube Manometer, Range 10-0-10" w.c.
  • Type (Manometer): U-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: $176.80

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1223-24-D 1223-24-D

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Dwyer 1223-24-D - Flex-Tube U-Tube Manometer, Range 12-0-12" w.c.
  • Type (Manometer): U-Tube
  • Max Pressure: 12 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $184.10

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1223-24-W/M 1223-24-W/M

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Dwyer 1223-24-W/M - Flex-Tube U-Tube Manometer, Range 12-0-12" w.c.
  • Type (Manometer): U-Tube
  • Max Pressure: 12 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $184.10

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1223-36-D 1223-36-D

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Dwyer 1223-36-D - Flex-Tube U-Tube Manometer, Range 18-0-18" w.c.
  • Type (Manometer): U-Tube
  • Max Pressure: 18 IN of H2O
  • Type of Input: N/A
  • Engineering Units (HVAC): inch H2O
  • Measurement : Differential
  • Min/Max/Hold: N/A

Your Price: $192.40

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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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