JAVAC Pro-Sense Leak Detector - R32, R410a & R134a CompliantGet a FREE JAVAC 3 42mm Tube Cutter When You Buy With This Product Click to add freebie JAVAC Pro Sense Leak Detector R32, R410a & R134a Compliant JILD200 This JAVAC JILD200, Pro Sense Leak Detector, when compared to the more common, traditional leak detector, excels in battery, detection accuracy, additional features, and even ergonomics. The Pro Sense is the latest leak detector design to come from JAVAC. Features: Maximum sensitivity less than 4g