•    Extech HD750  Differential Pressure Manometer (5psi)

Low range (0 to 5psi), High Resolution (0.001psi) Gauge/Differential Pressure meter

Offering 11 selectable units of measure, the HD750 Differential Pressure Manometer can serve as a low range/high resolution Gauge or provide Differential Pressure up to 0 to 138.3 in. H2O (inches of water). Max/Min recording and Relative time stamp are useful features, as are HD750's Data Hold and Auto Power Off functions. The 5psi HD750 also features Zero function for offset correction or measurement and a built-in USB interface. Comes complete with 9V battery, software with USB cable, AC Adaptor, connection hose, built-in stand, and hard carrying case.


  • ±5psi range, 11 Selectable units of measure
  • Max/Min/Avg recording and Relative time stamp
  • Data Hold, Auto power off and Zero function
  • Large LCD display with backlighting
  • Heavy duty, double-molded housing
  • Built-in USB port (Windows® compatible PC software and cable included)



Specifications                 Range
inH2O                            138.3inH2O
psi                                  5psi
mbar                             344.7mbar
kPa                                 34.47kPa
inHg                                10.18inHg
mmHg                            258.5mmHg
ozin2                              80ozin2
ftH2O                             11.53ftH2O
cmH2O                          351.5cmH2O
kgcm2                            0.351kgcm2
Bar                                  0.344bar


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Extech HD750 Differential Pressure Manometer (5psi)


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