Refrigerant Leak Detector


Testo is announcing the release of their new refrigerant leak detector, model 316-3.This hand-held detector delivers optimal sensitivity to all refrigerants. up to 0.15 oz/year, yet is resistant to contaminants such as dust, dirt and oil. The product features a heated diode sensor, easy one button operation, LEDs which illuminate progressively to show leak size and an audible alarm. 

The high/low sensitivity adjustment features allows you to decrease sensitivity to pinpoint leak sources. The 316-3 also features an automatic background adjustment, or zeroing, to compensate for refrigerant build-up.  


  • optimal sensitivity to all refrigerants
  • resistant to contaminants
  • high/low sensitivity adjustment

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