ELITECH Metrum PPM Refrigerant Leak DetectorELITECH Metrum PPM Refrigerant Leak Detector PPMLD This ELITECH PPMLD, Metrum PPM Refrigerant Leak Detector, was designed to provide a reliable, accurate and easy way to locate, identify & diagnose refrigerant leaks. It has the following features; Features: Leakage can be identified effectively and accurately with display of PPM data Leakage can be pinpointed with ease even in the most complicated refrigeration oil and gas system, also for the