TIF"s heated-pentode leak detector uses proven heated-pentode technology with an improved grip and easy-to-read display. The design eliminates false alarms from moisture, solvents and cleaners. An improved, true mechanical pump allows for instant response and clearing. Features heated pentode sensor technology, tri-color visual leak size indicator, tactile keypad controls with one-touch reset and adjustable sensitivity, true mechanical pump provides instant response and clearing, battery test function, sensor failure indication, and rechargeable batteries. New revolutionary design and detects all CFC, HFC, HCFC"s including R-12, R-22, R-123, R-134a, R-404a, R-407a, R-408a, and R-410a.