Pittstop Halogen Leak Detector #5040

Mid-price range

Detects leaks as small as 1/4 oz a year

Can detect all halogen refrigerants

Automatic calibration after booting (will auto detect the refrigerant level in the current environment as zero)

Battery voltage indication by 3 color display

Works with most refrigerants including hydrocarbons, R134a, R12, and R22

Two Alkaline batteries

Quality sensor that can detect finely-leaked halogen gases