Design certified to meet SAE J2791, J2913 and EN14624 and detecting all refrigerants (CFCs, HCFCs, HFCs and HFOs including blends), the Mastercool IntellaSense II Refrigereant Leak Detector offers a low-power metal oxide gas sensor with superior performance properties such as lower current consumption and sensor longevity. The sensor is characterized by high sensitivity and a fast response in detecting the presence of extremely small levels of chlorofluorocarbon gases. Its microprocessor and intelligent tip automatically selects the best operating condition for the sensor to ensure optimum performance throughout the life of the product.