Digital Manometer, Dual Port Air Pressure Meter Pressure Gauge HVAC Gas Tester, Large LCD Display with Backlight, Basic

[ 11 Selectable Units&High Accurate ] This gas pressure meter features 11 selectable units of measure.The device measures gauge and differential pressure in the range of ±2 psi, High resolution(0.001psi) gauge. [ Date Hold & Max/Min/Avg Recording ] Pressthe HOLD button momentarily to freeze the displayed reading. Zero function for offset correction or measurement.Press REC button to access the MIN/MAX/AVG recording mode. [ Portable ] The digital gas manometer dimensions:5.79" x 2.16" x1.26",Slim design and easy button for one hand operation,free up a hand for other work. [ Large LCD with Backlight and Auto Power Off ] The gas pressure tester will automatically shut off after 20 minutes to extend battery life.Backlight function for easily read the display even in the dark. [ Multi-Application ] Specifically for use in HVAC, pneumatic controls, medical equipment, gas appliance repair and installation, laboratory testing,computer peripherals.