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Manometer Digital 138 Inch WC (HD750) with Software

Model #: HD750
This item No Longer Available.  eMail sales at for additional information or replacement product advice.

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Category Manometers / Pressure

HD750 Low Range High Resolution Gauge or Differential Pressure Manometer.

  • 11 selectable units of measure
  • Max/Min/Avg recording with elapsed timer and relative time stamp
  • Data Hold functions
  • Large LCD display with back-lighting
  • Zero function for offset correction or measurement
  • Built-in USB port (software and cable included)
  • Auto power off after 20 minutes (can be disabled)
  • Low battery indication
  • Threaded tripod mount


Range Resolution
in water ±138.30 0.01
psi ±5.000 0.001
mbar ±344.7 0.1
kPa ±34.47 0.01
in Hg ±10.18 0.001
mm Hg ±258.5 0.1
oz cubic inches ±80.00 0.01
ft water ±11.530 0.001
cm water ±350.1 0.1
kg cm2 ±0.351 0.001
bar ±0.344 0.001
  • Accuracy: ±0.3% FS + 1 digit
  • Repeatability: ±0.2% to 0.5% FS
  • Linearity/Hysteresis: ±0.3%FS
  • Maximum pressure: 10psi
  • Sample rate: 0.5 seconds typical
  • Compatibility: air or non-corrosive and non-ionized gas (not intended for liquids)
  • Input Ports: 2 metal 4.8mm, barbed for 1/8" (3.17mm) ID tubing
  • Display: four digit LCD with Function Indicators
  • Battery power: (1) 9v battery (included)
  • Battery life: 125 hours typical
  • Operating temperature range: 32° to 122° F (0° to 50° C)
  • Operating humidity range: < 80% RH
  • Storage temperature range: 14° to 140° F (0° to 60° C)
  • Storage humidity range: < 80% RH
  • Dimensions: 8.2 x 2.9 x1.9" (210 x 75 x 50mm)
  • Weight: 9.8 (280g)

Supplied with:

  • Instruction manual
  • Windows® compatible data acquisition software
  • USB to mini-USB interconnect cable
  • 9V alkaline battery
  • (2) sets of connection hoses (12" each)
  • Padded carrying case

Download Instruction manual (PDF format)

Link to Pressure Conversion Calculator (must have JAVA enabled)

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Category Manometers / Pressure
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