Elitech SMG-1L Refrigeration Pressure Gauge -14.5~500 PSI

Digital High-Pressure Gauge, SMG series are professionally digital gauges used for maintaining, monitoring and evacuating refrigeration systems and charging refrigerants. The gauges can measure system pressure and display various parameters such as the evaporation temperature of the corresponding refrigerant. They have a backlight, auto-off, unit switch, over-range alarm, and other functions. Specifications£º Six units switchable: MPa, kPa, bar, psi, kg/cm2, cmHg Pressure measuring range: -0.100 ~ 3.448MPa (-14.5-500 psi) Resolution: 0.5psi Accuracy: +0.5%FS Sampling Rate: 1s Temperature Unit: ¡ãC/¡ãF Battery: 3 AAA batteries Battery Life: 6 months Note: When pressure is over measuring range: -OL- shows, backlight flashes, and ALM symbol lights. Please use the ZERO button to zero the gauge before connecting it to the system. The AUTO symbol will show on the screen if the Auto OFF function is enabled. LCD Screen& Blue Backlight Display The pressure gauge's digital backlight dis