The Extech 407910 heavy duty differential pressure manometer is capable of measuring from -29 to 29 psi (or equivalent) and displaying results in 8 selectable pressure units: psi, mbar, kg/cm², mmHg, inHg, mH2O, inH2O, and atmospheres. The Extech 407910 heavy duty differential pressure manometer has a basic accuracy of ±1% F.S. for all units except mbar, which is ±2% F.S.

The main feature of the Extech 407910 heavy duty differential pressure manometer is the dual differential inputs with internal sensors. Other features of the Extech 407910 heavy duty differential pressure manometer include a wide measurement range with high resolution, zero function, data hold and MAX / MIN. A built-in RS-232 PC interface allows for easy data download for further analysis on your PC.

The Extech 407910 heavy duty differential pressure manometer comes complete with 2 quick-disconnect fittings, 9V battery, protective holster with stand and case.