Mai gano ƙwanƙwasa firji mai iya gano duk refrigerants na halogen (CFC, HCFC da HFC) yana ba ku damar nemo ɗigogi a cikin na'urar firji.Refrigerant Leak Detector shine cikakken kayan aiki don kiyaye yanayin iska ko tsarin sanyaya tare da kwampreso da firiji.Wannan naúrar tana amfani da sabon firikwensin firikwensin dandali wanda ke da matukar damuwa ga nau'ikan firji da aka yi amfani da shi.