INFICON Tek-Mate Leak DetectorINFICON Tek Mate Leak Detector 705202G6 This INFICON 705202G6, Tek Mate Leak Detector offers hand held convenience. It boasts proven heated diode sensor technology and incorporates an electrochemical sensor consisting of a ceramic substrate, doped with a reactive element, and maintained at high temperatures by a built in heating element. Applications: Residential Light commercial Industrial Automotive A C Benefits: Detects all CFC's, HCFC's and HFC's