Akozon Digital Manometer, HT-1890 Handheld Digital Manometer Differential Gauge Air Pressure Meter 11 Selectable Units, Manometer to Measure Gauge & Differential Pressure

【11 Selectable Units & High Accurate】This gas pressure meter features 11 selectable units for measurement, selectable scales & units: inH2O, psi, bar, mbar, kPa, inHg, mmHg, ozin2, FtH2O, cmH2O, kgcm2, very convenient for use.The device measures gauge and differential pressure in the range of ±2 psi, High resolution(0.001psi) gauge. 【Wide range of application】The digital gas manometer dimensions:6.30" x 2.20" x1.30", Slim design and the easy button for one hand operation, free up a hand for other work, very portable.Specifically for use in HVAC, pneumatic controls, medical equipment, gas appliance repair and installation, laboratory testing, computer peripherals, for testing ventilation and air conditioning system, spot check, clean room, or any gas pressure system troubleshooting. 【How to operate】Press the 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. 【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. 【Kindly Remind】We Have a Strong After-sales Service Team: As long as you have any questions about the product, we will resolve your issue immediately if received your email, your satisfactory purchase experience is our greatest hope! Looking forward to your consultation.