- Upgraded 5 LED indicators reflect gas concentration.
- Freon leak detector triggers on R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs, HCFCs and blends.
- 7 Adjustable Sensitivity; Maximum sensitivity is 0.21oz/yr.
- Response within 3 seconds; Warm up in 6 seconds; Audible alarm and low battery indicator.
- A flexible probe around 7.8-inch allows detections in difficult and hard-to-reach areas.
- Audible alarm and low battery indicator: This ac leak detector features with LED light flash and buzzer alarm. Note: Green flashes mean the battery voltage is normal, suitable for the job. Orange flashes mean the battery voltage is close to the limit work and needs to be replaced asap.