Mastercool 55800 Intellasense Refrigerant Leak Detector, High Sensitivity

Detects combustible gases, hydrogen, all CFCs, HCFCs, and HFCs refrigerants Sensitivity: High 0.05 oz. /year; Medium 0.25 oz./year; Low 0.5 oz./year Test and approved to work with R123ryf, R32, and R410a Sensor life: 2000 hours Certified by ACSI to meet SAE J2791, J2913 and EN14624