Detailed Product Description Digital Pressure Gauge with LCD Six Digital DisplayTemperature: Storage temperature: -10 to 70 deg. C Operation temperature: ... 55 deg. CAccuracy: +1% FS at 25 deg. C of range LCD display: LCD 6 digit display Pressure unit (switchable): PSI ... , kg/cm² , mmHg, mbar, mmH2O Maximum operating pressure: +150% of range Pressure port: 1/4 inches PT, NPT (male) or custom ...