The H10G is the most versatile, high performance service leak detector available in the industry today. It will detect refrigerants with a sensitivity to effectively pinpoint both small and large leaks quickly and efficiently. Detects all CFC, HFC, and HCFC Refrigerants and operates manual or automatic, features auto zero balance control which eliminates errors. Pass / Fail test mode Unique sensor calibration system. CE Mark Pinpoints both small and large leaks. Product Features Detects all CFC, HFC, and HCFC Refrigerants Manual or automatic, auto zero balance control Unique sensor calibration system Pinpoints both small and large leaks Specifications: Sensing Element: Positive Ion Emission Heated Diode Sensitivity: Moving probe test per SAE Std. J1627 Alarm Sensitivity: R-134a Small - 0.1 oz / year Medium - 0.5 oz / year Large - 2.0 oz / year R-12 Small - 0.05 oz / year Medium - 0.1 oz / year Large - 1.0 oz / year Warm-up Time: Approx. 2 minutes Accuracy: Exceeds SAE J1627 Probe Length: 4.5 Feet Ambient opera