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Inficon

Inficon Inficon Refrigerant Leak Detector, Model:705-202-G1

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Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, Mar 8
Order within 16 hours and 55 minutes
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Features

  • Sensitivity of 0.25 oz./year (7 g/year)
  • Detects all CFCs, HCFCs, HFCs, and HFOs. A2L Certified
  • Proven heated diode sensor for reliable leak checking
  • Sensor Life: 100 hours
  • No false alarms from soap solutions
  • Automatic background adjustment ("zeroing")
  • Runs on two D-cell alkaline batteries
  • Rugged carrying case included
  • Made in the United States, US Technician Support via Email and Phone

Description

Affordable price, simple operation, and reliable performance make TEK-Mate the refrigerant leak detector of choice for thousands of technicians. See for yourself why TEK-Mate is the 1 selling refrigerant leak detector in the HVAC/R market.

Brand: Inficon


Style: Leak Detector


Power Source: Battery Powered


Product Dimensions: 4"D x 4"W x 12"H


Item Weight: 3.1 Pounds


Alarm: Audible


Sensor Type: Heated diode


Global Trade Identification Number: 50


Number of Items: 1


Manufacturer: Inficon


Brand: ‎Inficon


Style: ‎Leak Detector


Power Source: ‎Battery Powered


Product Dimensions: ‎4"D x 4"W x 12"H


Item Weight: ‎3.1 Pounds


Alarm: ‎Audible


Sensor Type: ‎Heated diode


Global Trade Identification Number: ‎50


Number of Items: ‎1


Manufacturer: ‎Inficon


UPC: ‎689466037050 810044830415 696335216133


Part Number: ‎705-202-G1


Item Weight: ‎3.1 pounds


Item model number: ‎705-202-G1


Is Discontinued By Manufacturer: ‎No


Pattern: ‎Leak Detector


Item Package Quantity: ‎1


Temperature Range: ‎0/50 Degrees Celsius


Measurement Accuracy: ‎0.25 oz./year (7 g/year)


Included Components: ‎TEK-Mate, Heated Diode Sensor, D-Size alkaline batteries, filters, Carrying Case


Batteries Included?: ‎Yes


Batteries Required?: ‎Yes


Battery Cell Type: ‎Alkaline


Average Battery Life: ‎8 Hours


National Stock Number: ‎4940-01-460-7088


Date First Available: August 12, 2004


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Mar 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Good detector
Pattern Name: Leak Detector Style: Leak Detector
This unit does the job when needed. You have to ensure that the end is clean when using. The key is you have to trust the detector. It will find the leaks and batteries last a long time.
Reviewed in the United States on December 12, 2025 by Jeffrey Foley
    • Reliable
Pattern Name: Leak Detector Style: Leak Detector
HVAC service tech since 2011. This is the best sniffer I've used. So far I'm 3 for 3 locating leaks. Only thing I don't like is there's no mute button and sometimes the warm up seems to take a really long time. Would definitely recommend.
Reviewed in the United States on October 8, 2025 by Kelly Edwards
    • Effective tool
Pattern Name: Leak Detector Style: Leak Detector
You get what you pay for. This sniffer works like you expect, no false positives for me at least, it's a very effective tool. Stay away from the 25 dollar el cheapos, I have one of those and it went off on the carpet in my vehicle, and I'm pretty sure the floor mats did NOT have a leak. Just save your pennies and buy one of these. ... show more
Reviewed in the United States on September 12, 2025 by Guy in Pennsylvania
    • Works
Pattern Name: Leak Detector Style: Leak Detector
It worked, we found the leak. Saved a bundle on HVAC tech call and repair.
Reviewed in the United States on March 15, 2025 by Delia M. Lopez
    • Great product
Pattern Name: Leak Detector Style: Leak Detector
This device works well I use it everyday as I am an ac technition
Reviewed in the United States on August 29, 2025 by steve j sanders
    • Very Sensitive Leak Detector
Pattern Name: Leak Detector Style: Leak Detector
I selected Inficon's TEK-Mate 705-202-G1 as my first refrigerant leak detector in preparation to enter the HVAC/R field. It's the only "real" leak detector I own (the other being an extremely inexpensive no-name halogen type). I haven't used it more than a handful of times, so take this review accordingly. I've used it in residential, commercial (walk-in cooler) and automotive applications so far. It's very sensitive -- maybe even too sensitive for its own good. Even on the low setting, I had a hard time pinpointing what was a very small leak in the evaporator coil of the walk-in box. I like the fact that it's made in the USA and came with name brand alkaline batteries, so you can get started right away. The built in alarm is very loud. You might like that if you're working in extremely (and I mean extremely) noisy machine rooms. I thought it was too loud for every other situation, and the constant wailing of the alarm during the sensor's start up period really got on my nerves. If I didn't think I'd invalidate the warranty by doing so, I'd pop it open and put something over the beeper to quiet it down a little. ... show more
Reviewed in the United States on May 2, 2019 by W. Walsh
    • If you know how to use it, it WORKS
Pattern Name: Leak Detector Style: Leak Detector
I suspect most who don't like the until don't really know how its to be used or the limitations. Its not a magic bullet and like every tool in my arsenal, requires a good understanding of the subject before a good result is possible except in the worst leaks. It worked as I suspected. If it were a magic bullet, I would have been happy, box arrives, levitated and points right at the nearest leak until I acknowledge it and then went looking for the next in one of MY items, stopping when I told it to as I am not giving away my magic beans, but..... ... show more
Reviewed in the United States on January 18, 2025 by Dave Skipper
    • No product support
Pattern Name: Leak Detector Style: Leak Detector
After 2 years and used only 3 times it will not pass warm up cycle. Changed sensor, still never stops alarming after start up. Called Inficon and was told that I have to go through whoever I purchased from to be able to send in for repair. Not good support at all.
Reviewed in the United States on August 27, 2025 by Donnie

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