Fluke rld2 leak detector flashlight fluke fluke rld2 the fluke rld2 uv torch is a compact user friendly device to help you to quickly detect leakage from refrigerators or hvac equipment it combines a bright led torch for illuminating dark corners and behind equipment with a uv source which reacts with leak detection dyes with a lifespan of 100 000 hours and four modes of operation this multipurpose leak detector is essential equipment for air conditioning or refrigeration technicians sup