Elitech PG-30 Pro Red & Blue Digital Pressure Gauges High and Low Pressure Gauges for HVAC 87+ Refrigerants with Backlight

Digital high pressure gauge PG-30Pro digital high-pressure gauge that measures system pressure in real-time. It is designed for use in the piping system, refrigerated system and other applications. Key Feature£º Stable and Reliable Sensor Use temperature-compensated pressure sensor Six different measuring units to choose: MPa, kPa, bar, psi, kg/cm2, cmHg LCD Screen& Blue Backlight Display The air pressure gauge's digital backlight display allows you to readout easily even in the night. Partition display for different measurements, direct readings for all measurements. Adjustable backlight off time: 3s,4s,5s,10s,15s or always on Selectable Auto-off time: 10min (default), 20min,30min,40min Various Refrigerants Options and Zero Function PT tables list 87 types of normal refrigerants Switch Refrigerants: on the home page, press and release SET or ZERO key to scroll through refrigerant types and related value. If deviation occurs at zero points, use the ZERO key to zero out and cor