Item Type: Digital Pressure Gauge Material: ABS Battery: 9V 800mAh 6F22 Square Battery (Battery Not Included) Measuring Range: 2.999Psi Measurement Units: Psi, Kg/cm2, Ozin2, Bar, Mbar, Pa, InHg, MmHg, InH?O, FtH?O, KPa. Accuracy: 0.3% FSO (25C) Repeatability: 0.2% (Maximum 0.5% FSO) Linearity/Hysteresis: 0.29% FSO (25) Measurement Rate: 0.5 Seconds Data Storage: 100 Maximum Pressure: 20KPa Room Temperature Measurement: C/F Unit Optional Automatic Shutdown: About 15 Minutes After No Operation Exceed The Positive Pressure Range Display: Erro Exceed The Negative Pressure Range Display: Err1 Working Temperature: 0-50C (32-122F) Storage Temperature: -10-60C (14-140F) Purpose: It can be used to quickly measure and detect pressure values. Applicable Scenarios: It is widely used in natural gas pipelines, air-conditioning refrigeration and ventilation systems, mechanical hydraulics, plastic molding, ceramic products manufacturing, biopharmaceutical molding, mining pressure detection, petrochemical smelting, gas, liquid and production industrial equipment pressure detection, liquid level detection, Laboratory verification and medical environment micro-pressure testing, etc. UnitRangeResolutionUnitRangeResolution kPa20.680.001inHg6.1060.001 psi2.9990.001mmHg151.10.1 kg/cm20.2100.001H?O83.020.01 ozin247.990.01ftH?O6.9180.001 bar0.2060.001cmH?O210.80.1 mbar206.80.1pa99991