Quick and reliable&nbsp; detection of gas leaks in natural gas pipes. The Testo 316-1 natural gas leak detector with two-stage visual alarm system is ideal for carrying out&nbsp; gas checks.&nbsp;

The Testo 316-3 is our best refrigerant leak detector yet, that delivers dependable, rugged performance at a great value. The proven heated diode sensor provides great sensitivity down to 0.15 ounces/year including the new refrigerant blends like R-410A, R-407C, and R134-a, allowing you to find the most refrigerant leaks.&nbsp;

Sensor head for the testo 316-3

HVACR Manufacturers incl Field Service

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