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316-3 Refrigerant leak detector


Price starts at $299.00

Product Code : 0563 3163

Manufacturer : Testo

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Testo 316-3 Refrigerant Leak Detector

The Testo 316-3 Refrigerant Leak Detector is a rugged yet precise refrigerant detection instrument, capable of locating leaks as tiny as 0.15 oz per year. The 316-3 utilizes a heated diode sensor to accurately detect and give a fast response to such small leaks. The instrument automatically zeros itself upon startup, and provides positive refrigerant leak detection even at sites already cluttered by an existing leak. The Testo 316-3 Refrigerant Leak Detector can detect all CFC, HCFC, and HFC refrigerants.


  • Detects R-22, R134a, R-404A, R-410A, R-507, R438A and all CFC, HCFC, HFC refrigerants
  • Heated diode provides accurate, fast response
  • Sensitive to leaks down to 0.15 oz per year
  • Adjustable sensitivity
  • Rugged housing
  • Audible leak alarm
  • Progressive LEDs indicate relative leak size
  • Automatic zeroing

Testo 316-3 Refrigerant Leak Detector, sensor head, transport case, calibration certificate, batteries and filter


Warranty Information

The Testo 316-3 Refrigerant Leak Detector carries a 2-year warranty
Sensitivity 0.15 oz/yr (4 g/yr)
Detectable Refrigerants R-22, R134a, R-404A, R-410A, R-507, R438A and all CFCs, HFCs, and HCFCs
Conformance SAE J1627, EN 14624, EG 2004/108/EG
Oper. temp. -4 to +122 °F
Oper. humidity 20 to 80 %RH
Storage temp. 32 to +122 °F
Battery type 2 x D
Battery life 16 hrs. continuous
Weight 1 lb
Warranty 2 years
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