TEK-Mate® Refrigerant Leak Detector

Proven Heated Diode Technology in an Affordable Package

TEK-Mate is the ideal refrigerant leak detector for the light-to-medium duty user who demands reliable leak detection at a budget-friendly price.

Features such as the patented INFICON heated diode sensor, variable intensity audible and visual alarms and automatic compensation for changing background refrigerant concentrations make TEK-Mate the best bargain in refrigerant leak detectors.

See for yourself why TEK-Mate is the #1 selling refrigerant leak detector in the HVAC/R market.



  • Detects R22, R134a, R404a, R410a, R448a, R507 (AZ-50), R32, HFO1234yf, and all other CFCs, HCFCs, HFCs, and HFOs
  • Runs on 2 "D" cell batteries
  • No need for adjustments since the automatic background compensation feature continuously monitors and compensates for changing background "noise."


  • Heated diode sensor
  • Two year replacement warranty
  • Made in the USA

Typical Applications

  • Suggested for residential and automotive A/C


Type TEK-Mate
Base unit includes Sensor, (2) D size alkaline batteries, spare filters, a hard plastic carrying case
Operating temperature -20 to 50 °C (-4 to 122 °F)
Minimum sensitivity 0.25 oz./year (7 g/a)
Sensitivity according to EN14624 (R134a) 2 g/a
Controls One multi-function button for power and high/low sensitivity selection
Power source (2) D size alkaline batteries
Battery life Approximately 16 hours
Weight with batteries 1.54 lb. (0.7 kg)
Probe length 15 in. (38 cm)
Certifications EN 14624:2012, CE marking per Safety and EMC

Part Number

Part Number Description
705-202-G1 TEK-Mate, North America
705-202-G11 TEK-Mate, Euro


Part Number Description
703-020-G1 Replacement Sensor
705-600-G1 Replacement filters
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