TEK-Check™ R134a Reference Leak

Check your leak detector with a trusted leak source

TEK-Check is a compact reference leak source that leaks R134a refrigerant at a rate of 5 to 9 g/year (0.18 to 0.32 oz./year), depending on environmental conditions.  It is an easy and dependable way to verify your leak detector is working properly.


  • Leak rate of 5 to 9 g/year (0.18 to 0.32 oz./year) of R134a (depending on environmental conditions)
  • Compact size easily fits in D-TEK or TEK-Mate carrying case
  • Easy-to-use
  • No batteries required


  • Made in Germany

Typical Applications

  • Regular service check of refrigerant leak detectors (all types)


Type TEK-Check
Dimensions 9.5 x 3 x 3
Weight 80

Part Number

Part Number Description
703-080-G10 TEK-Check R134a Reference Leak
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