Description Overview GAO Tek Handheld Portable Gas Leakage Detector its digital signal processing capabilities can better manage the circuit and deal with the detection signal. Due to extensive use of integrated circuits, the quantity of circuit elements is reduced by 40%, greatly improving the reliability and efficiency. Microprocessors can monitor probes and battery voltage with 4000 times per second, tiny signals can also be captured, and in any circumstance can work stable and reliable. Features Touch Keyboard Adjust sensitivity at any time Automatic battery test function Battery voltage indication Detect R134a, R12, R22 Can detect all halogen refrigerants Gradient function for converting data Technical Specifications Power supply DC 3 V, two alkaline batteries Maximum sensitivity R12, R22, R134a are approved Sensitivity limit Less than 3 g / year for halogen refrigerants Usage time of probe About 20 hours Usage time of battery About 30 hours under normal use Working method Continuous, unlimited Response time instantaneous Reset time 1 s Warm-up time about 2 s Temperature 32 °F to 125.6 °F (0 ℃ to 52 ℃) Dimension 9.02 in × 2.56 in × 2.56 in (229 mm ×65 mm ×65 mm) Weight 1.24 lb (560 g)
