Elitech PG-30 Red Digital High Pressure Gauge for HVAC Refrigerant with Backlight -14.5~800 PSI 1/8'' NPT

* Unit conversion between MPa, kPa, bar, psi, kg/cm², cmHg. Pressure range is -14.5~800psi (-0.1~5.5MPa), accuracy: ±0.5%FS, resolution: 0.5psi. * Automatically perform pressure/temperature calculations for up to 91 different refrigerants, including: R134A, R410A and R22 refrigerants and etc. * The air pressure gauge's digital backlight display provides clear results even in the night. The 4-digit LCD display allows for easy point-of-reference pressure readings. * Powered by CR2450 battery and works around 6 months. The backlight automatically shutdown in 6 seconds, power-saving and longer using time. * Displays screen alarm indication when over range; adjustable temperature unit: Celsius or Fahrenheit; rugged housing with registration for reliable service. 24/7 US Technician Support via Email and Phone.