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General Tools HVAC Manometers

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DM8200 DM8200

(1 Review)

General DM8200 0-100 PSI Deluxe Digital Manometer
  • Type (Manometer): Digital
  • Max Pressure: 100 psi (2767.99 IN of H2OWhat's This?)
  • Type of Input: Single
  • Engineering Units (HVAC): inch H2O, inch Hg, kPa, mmHg, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $204.19

Your Price: $164.66

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DM8215 DM8215

0 reviews

General Tools DM8215 - Precision Digital Manometer, 36" Tubing, 0 to 15 PSI
  • Type (Manometer): Digital
  • Max Pressure: 15 psi (415.20 IN of H2OWhat's This?)
  • Type of Input: Single
  • Engineering Units (HVAC): inch H2O, inch Hg, kPa, mmHg, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $203.19

Your Price: $163.86

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DM8252 DM8252

0 reviews

General DM8252 Digital High Resolution Manometer
  • Type (Manometer): Digital
  • Max Pressure: 2 psi (55.36 IN of H2OWhat's This?)
  • Type of Input: Single
  • Engineering Units (HVAC): inch H2O, mmH2O, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $233.80

Your Price: $188.55

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DM8252RS DM8252RS

0 reviews

General DM8252RS Digital High Resolution Manometer with Stoppers
  • Type (Manometer): Digital
  • Max Pressure: 2 psi (55.36 IN of H2OWhat's This?)
  • Type of Input: Single
  • Engineering Units (HVAC): inch H2O, mmH2O, psi
  • Measurement : Differential, Gauge
  • Min/Max/Hold: Yes

List Price: $254.25

Your Price: $205.04

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HG15 HG15

0 reviews

General Tools HG15 HVAC Hydrogauge Manometer
  • Type (Manometer): U-Tube
  • Max Pressure: N/A
  • Type of Input: Single
  • Engineering Units (HVAC): N/A
  • Measurement : Gauge
  • Min/Max/Hold: N/A

Your Price: $28.55

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PM9100HA PM9100HA

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General Tools PM9100HA Heavy Duty Digital Manometer RS232
  • Type (Manometer): Digital
  • Max Pressure: 2000 mBar (3816924.51 IN of H2OWhat's This?)
  • Type of Input: Dual
  • Engineering Units (HVAC): inch H2O, inch Hg, mmHg, psi
  • Measurement : Differential
  • Min/Max/Hold: Yes

List Price: $245.05

Your Price: $197.61

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General Tools HVAC Manometers

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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