Micro-processor leak detector The user can change the sensitivity to 6 levels- Sensitivity adjustment is in real time- Three colour diodes and an audible signal sonore indicate the scale of the leak- Detects any halogen refrigerants- The suction pump brings the air to the sensitive element- Wireless and portable- tuns on 2 type C batteries Gas Suitable for (non-limitative list): CFC (R12- R11- R500- R503) HCFC (R22- R123- R124- R502) HFC (R134A- R404A- R125) Mixtures such as AZ-50 HP 62 MP39. Delivered in aluminium case with batteries