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Sold by: ZRM Industries
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(238 ratings)
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Inficon Inficon Refrigerant Leak Detector, Model:705-202-G1

4.5 4.5 out of 5 stars 469 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
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Purchase options and add-ons

Brand Inficon
Style Leak Detector
Power Source Battery Powered
Item Weight 3.1 Pounds
Alarm Audible

About this item

  • 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

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 14.75 x 3.75 x 8.5 inches; 3.1 Pounds
  • Item model number ‏ : ‎ 705-202-G1
  • National Stock Number ‏ : ‎ 4940-01-460-7088
  • Date First Available ‏ : ‎ August 12, 2004
  • Manufacturer ‏ : ‎ Inficon
  • ASIN ‏ : ‎ B000H6OZJ4
  • Country of Origin ‏ : ‎ USA
  • Customer Reviews:
    4.5 4.5 out of 5 stars 469 ratings

Product 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.


From the manufacturer

INFICON Service Tools

Field replaceable parts, easy to use, rugged design

TEK Mate refrigerant leak detector with heated diode sensor and spare filter. Carrying case included

Made in the USA

TEK Mate in action

High sensitivity

Reliable sensor

Versatile detection

High and low settings

D-TEK Stratus D-TEK 3 Compass TEK-Mate GAS-Mate Whisper
D-TEK Stratus D-TEK 3 Compass TEK-Mate GAS-Mate Whisper
Customer Reviews
4.6 out of 5 stars
49
4.5 out of 5 stars
11
4.5 out of 5 stars
469
4.5 out of 5 stars
159
4.1 out of 5 stars
186
Sensor technology Infrared Infrared Heated Diode Heated Diode Surface Reaction Ultrasonic
Made in the USA
Ammonia - -
A2L Semi-flammables (R32, R1234yf) -
CFCs, HCFCs, HFCs, HFO's -
Minimum sensitivity 0.03 oz./yr. (1 g/yr.) 0.03 oz./yr. (1 g/yr.) 0.15 oz./yr. (4 h/yr.) 0.25 oz./yr. (7 g/yr.) 1 PPM N/A
Battery Type Rechargeable Lithium Ion Rechargeable Lithium Ion Rechargeable NiMH Alkaline Alkaline Alkaline
R290, R600, R441a - - - - -
Manual zero mode - - - -
Intrinsically Safe - - - - -

What's in the box

  • TEK-Mate, Heated Diode Sensor, D-Size alkaline batteries, filters, Carrying Case
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    469 global ratings

    Customers say

    Customers like the performance, quality and value of the leak detector. For example, they mention it works well, helps find refrigerant leaks and is reliable. Some appreciate the ease of use. That said, opinions are mixed on sensitivity and detection.

    AI-generated from the text of customer reviews

    30 customers mention25 positive5 negative

    Customers like the performance of the hardware. They mention that it works well, is a great tool, and is easy to replace.

    "...It's a great tool, very sensitive, and easy to use. It will report any refrigerant leaks...." Read more

    "This detector works great. Just as described...." Read more

    "...This device works awesome." Read more

    "I received my detector yesterday and boy do I like it!!!!! Works perfect and easy to use...." Read more

    18 customers mention13 positive5 negative

    Customers like the leak detection of the hardware. They mention that it's a good leak detector, helps find a/c leaks, and that the low sensitivity ranges make locating refrigerant leaks much easier.

    "...It's a great tool, very sensitive, and easy to use. It will report any refrigerant leaks...." Read more

    "This leak detector works well. It’s high and low sensitivity ranges make locating refrigerant leaks much easier...." Read more

    "My only gripes are that you can't recharge the leak detector. You have to buy new batteries...." Read more

    "Very decant leak detector, as long as the wind isn't blowing. This thing can be extremely sensitive at times...." Read more

    11 customers mention11 positive0 negative

    Customers are satisfied with the quality of the hardware. They mention that it is a good product, reliable, and trustworthy.

    "...Comes with a charger and heavy duty case. Very happy. HVAC tech 21 years" Read more

    "...Well made high quality" Read more

    "Very reliable and sensitive!" Read more

    "as good a quality item as any I have ever used . very good product" Read more

    9 customers mention9 positive0 negative

    Customers appreciate the value of the hardware. They say it is well worth the cost.

    "...Good product for the price." Read more

    "A decent leak detector at a decent price. After 35 years of running ac calls, every once in a while I need to buy new tools." Read more

    "It seems to be a good leak detector. Worth the money." Read more

    "This is very sensitive and well worth the cost. It was exactly what was needed to find a tough leak in a mini split system." Read more

    6 customers mention6 positive0 negative

    Customers find the hardware easy to use and saves time. They also appreciate the simple and understandable instructions.

    "...It's a great tool, very sensitive, and easy to use. It will report any refrigerant leaks...." Read more

    "...Works perfect and easy to use. Instructions are simple and written in understandable "American English"...." Read more

    "It is easy to use and works great." Read more

    "...Easy to use, nicely fits in the hand . Incredibly sensitive at finding leaks...." Read more

    14 customers mention8 positive6 negative

    Customers are mixed about the sensitivity of the hardware. Some mention it's very sensitive and easy to use, while others say it'd be better suited for low-sensitivity applications.

    "...It's a great tool, very sensitive, and easy to use. It will report any refrigerant leaks...." Read more

    "...It's very sensitive -- maybe even too sensitive for its own good...." Read more

    "...The Field Piece still has a use in my tool arsenal. It's sensitivity is helpful when finding leaks in line sets behind walls, so if that's what you..." Read more

    "This leak detector works well. It’s high and low sensitivity ranges make locating refrigerant leaks much easier...." Read more

    6 customers mention2 positive4 negative

    Customers are mixed about the detection of the hardware. Some mention it has good detection, while others say it goes off all the time, is defective, and is not reliable.

    "...I assume this one is defective...." Read more

    "Good detection" Read more

    "I bought this leak detector never used till now. Sensor was defective without use and now item will not work...." Read more

    "My item is defective my friend has the same item and his work find and mine do not work at all can you send me a replacement item my email..." Read more

    So far so good!
    5 Stars
    So far so good!
    I am a current student in hvac from what I've tested in school works great with R-22, R422d, R410a, R404, R134a haven't tested other refrigerants but I'm sure would work good.
    Thank you for your feedback
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    Top reviews from the United States

    Reviewed in the United States on December 19, 2012
    16 people found this helpful
    Report
    Reviewed in the United States on June 27, 2020
    3 people found this helpful
    Report
    Reviewed in the United States on May 2, 2019
    8 people found this helpful
    Report
    Reviewed in the United States on August 8, 2023
    Reviewed in the United States on June 7, 2014
    72 people found this helpful
    Report
    Reviewed in the United States on July 8, 2023
    Reviewed in the United States on October 8, 2023
    Reviewed in the United States on August 20, 2021

    Top reviews from other countries

    Translate all reviews to English
    GF
    5.0 out of 5 stars Great detector
    Reviewed in Canada on October 16, 2023
    Bruce88
    5.0 out of 5 stars buen producto y confiable
    Reviewed in Mexico on January 20, 2021
    David Melville
    5.0 out of 5 stars Excellent leak detector
    Reviewed in Canada on July 1, 2020
    Edmundo
    4.0 out of 5 stars Dejó de funcionar
    Reviewed in Mexico on May 14, 2020
    alex laverick
    5.0 out of 5 stars Five Stars
    Reviewed in Canada on July 6, 2017