Performance Requirements for R-134a and R-1234yf Refrigerant Diagnostic Identifiers (RDI) for Use with Mobile Air Conditioning Systems

Standard:
Revised:
  • 2014-12-11
 
  • CURRENT
Publisher:
  • SAE International
Pages:
11
Scope:

This SAE Standard applies to refrigerant identification equipment to be used for identifying refrigerant HFC-134a (R-134a) and HFO-1234yf (R-1234yf) refrigerant when servicing a mobile A/C system or for identifying refrigerant in a container to be used to charge a mobile A/C system. Identification of other refrigerants is the option of the equipment manufacturer, although it shall not misidentify refrigerants, per 3.2.

Rationale:

This standard is being updated to include USB communication protocol required for use with SAE J3030 certified equipment when configured for use with R134a. Two of the mixture tests, incorporating R-1243zf are deleted to enhance identifier performance by eliminating testing for a fluid with no known potential for mobile A/C application as a refrigerant at this time.

History:
Standard Published Revision Status
J2912_201412 2014-12-11 Latest Revised
2013-11-20 Historical Revised
2012-07-16 Historical Revised
2011-10-04 Historical Revised
2011-02-07 Historical Issued
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