Minimum Performance Requirements for Non-Refrigerant Tracer Gasses and Electronic Tracer Gas Leak Detectors

Standard:
Issued:
  • 2012-07-19
 
Publisher:
  • SAE International
Pages:
14
Scope:

This standard provides the testing and functional requirements guidance necessary for a leak detection device that uses any non-A/C refrigerant tracer gas, such as helium or a nitrogen-hydrogen blend, to provide functional performance equivalent to a refrigerant electronic leak detector. It explains how a non- refrigerant leak detector’s calibration can be established to provide levels of detection equal to electronic leak detectors that meet SAE J2791 for R-134a and SAE J2913 for R-1234yf.

Rationale:

Loss of refrigerant from leaking systems occurs when a system is charged to enable use of an electronic refrigerant leak detector or trace dye. Although a system can be checked with an electronic detector with as little as 10-15% of the specified charge installed in the system, trace dyes if not previously installed require a full refrigerant charge. As a result, use of any refrigerant as a fluid medium for leak detection is subject to regulation and an environmentally benign alternative may be required. Some manufacturers have proposed using a nitrogen/hydrogen blend as a trace gas for use in leak detection of mobile air conditioning systems. This standard is meant to define the minimum requirements for safety and performance of all non-refrigerant leak-tracer gasses.

History:
Standard Published Revision Status
J2970_201503 2015-03-17 Latest Revised
2012-07-19 Historical Issued
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