Electronic universal leak detector r134/1234yf/hydrogen

This leak detector with a sensor is designed for detecting the concentrations of hydrogenated nitrogen and other gases in smaller amounts.
Compatible with Hydrogenated Nitrogen (N2-H2), R134-a, R1234YF, R404-A, R410-A, R407-C, R22, Freon...
When a concentration is detected an aural alarm sounds then the display indicates the seriousness of the leak (1 to 7).

Characteristics:
- sensitivity adjustable on 3 levels
- automatic calibration
- type of sensor: semi-conductor
- integrated fan
- power supply: 4 alkaline batteries AA
- battery lifetime: 4-6hrs continuous according to the utilisation
- battery low indicator
- warm-up time: 45s
- probe length: 40 cm
- supplied in a case with batteries.

This leak detection system is the most efficient because it enables the detection of the slightest leaks, where the other procedures have failed.