Browse Standards J2772_201909
Current REVISED 2019-09-03

Measurement of Passenger Compartment Refrigerant Concentrations Under System Refrigerant Leakage Conditions J2772_201909

This Standard is restricted to refrigeration circuits that provide air-conditioning for the passenger compartments of passenger and commercial vehicles.
This Standard includes analytical and physical test procedures to evaluate refrigerant concentration inside the passenger compartment. In the early phases of vehicle evaluation, usage of the analytical approach may be sufficient without performing physical tests.
The physical test procedure involves releasing refrigerant from an external source to a location adjacent to the evaporator core (inside the HVAC module). An apparatus is used to provide a repeatable, calibrated leak rate. If the system has multiple evaporators, leakage could be simulated at any of the evaporator locations.
This standard gives detail information on the techniques for measuring R-744 (CO2) and R-1234yf (HFO-1234yf), but the general techniques described here can be used for other refrigerants as well.
J2772_201909
2019-09-03
Latest
Revised
J2772_201102
2011-02-04
Historical
Issued

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Preview Document Add to Cart
Members save up to 9% off list price.
Login to see discount.
Special Offer: JPaks offers a customized subscription plan that is cost-effective and allows you to choose the number of downloads and Ground Vehicle documents you need. Find more information here.
We also recommend:
STANDARD

Standard for Refrigerant Risk Analysis for Mobile Air Conditioning Systems

J2773_201702

View Details

STANDARD

Safety Standards for Motor Vehicle Refrigerant Vapor Compression Systems

J639_201112

View Details

STANDARD

R-1234yf and R744 Design Criteria and Certification for OEM Mobile Air Conditioning Evaporator and Service Replacements

J2842_201906

View Details

Get Involved

Want to participate in updating this standard?

Join Committee Learn More
X