Klein Tools ET180 Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight

• MEASURE STATIC AND DIFFERENTIAL pressure from two ports in air and gas systems

• MONITOR AND TROUBLESHOOT problems in HVAC Systems with a range of +/- 60 inH2O and full scale accuracy of +/-1.5-Percent

• STRONG MAGNET ON BACK secures manometer for hands-free operation

• ELEVEN UNITS MEASURED: Easily toggle between inH2O, bar, oz/in2, psi, mbar, kPa, inHg, mmHg, kg/cm2, ftH20, and cmH2O

• LARGE BACKLIT LCD provides easy viewing in low light conditions and shows values when toggling between minimum, maximum and average

• FEATURES INCLUDE auto-power off to conserve battery life and a hold button to lock current reading on the display

• INCLUDES: ET180 Differential Digital Manometer, 2 m of 1/8-Inch inside diameter silicone tubing, 3 x AAA batteries, storage pouch, and instructions