Extech Heavy Duty Differential Pressure Manometer – 407910

In stock

This heavy duty pressure meter is designed to determine differential pressures. With two quick-disconnect fittings for fast, easy and secure connections every time. Displays 8 pressure units.

Extech Heavy Duty Differential Pressure Manometer – 407910

Wide range dual in put with multiple units and PC interface


  • Dual differential inputs with internal sensors
  • Wide (±802 inches of water) measurement range with high resolution to 0.5 inch
  • Displays 8 types of pressure units
  • Zero function for offset measurements
  • Data Hold, auto power off and Max/Min
  • Built-in RS-232 PC interface
  • Comes complete with:
    • 2 quick-disconnect fittings
    • 9V battery
    • Protective holster with stand
    • Case
  • 3 year warranty

Manometers are pressure testing devices usually associated with pressures close to that of atmospheric pressures. Pressure can change quickly as the altitude changes, making manometers valuable tools in determining the differences. In a vacuum or in a slightly pressurized area manometers are used.

This model of manometer is designed to give differential pressure readings between two different pressurized components. With a high resolution and a rugged housing designed to be durable and long lasting. This meter comes with 2 quick-disconnect fittings which make it fast and simple to attach and remove differential temperature tubes. This meter is designed with a wide measurement range 802 inches of water for higher pressures than other manometers. The 407910 Heavy Duty Differential Pressure Manometer User Manual is attached to this page to answer any additional questions.


  • Mbar range/resolution: ±2000mbar/ 1mbar
  • Psi range/resolution: ±29psi/ 0.02psi
  • kg/cm2 range/resolution: ±2.040kg/cm2/ 0.001kg/cm2
  • mmHg range/resolution: ±1500mmHg/ 1mmHg
  • inHg range/resolution: ± 59.05inHg/ 0.05inHg
  • mH2O range/resolution: ±20.40mH2O/ 0.01mH2O
  • inH2O range/resolution: ±802.0inH2O/ 0.5inH2O
  • atm range/resolution: ±1.974atm/ 0.001atm
  • Dimensions 7 x 2.9 x 1.3” (178 x 74 x 33mm)
  • Weight 12oz (350g)

Unit Ship Weight: 1.5 lbs

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