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
Warranty (replacement) 2 year
0 WARNING: This product can expose you to chemicals including butadiene, which is known to the State of California to cause cancer and reproductive harm. For more information, go to www.p65warnings.ca.gov.

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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