The Robinair 16990 R-ID Refrigerant Analyzer is designed for use independently or in conjunction with an SAE J2843 or J3030 approved A/C service machine to determine the purity of R-134a or R-1234yf refrigerant. The refrigerant analyzer uses non-dispersive infrared (NDIR) technology to determine the weight concentration of R-1234yf or R-134a refrigerant. Acceptable refrigerant purity as it relates to these refrigerant analyzers have been defined by the SAE as a refrigerant mixture that contains 98.0% or greater of R-1234yf or R-134a by weight.

The 16990 refrigerant analyzer comes complete with an R-1234yf sample hose, an R-134a sample hose (R-12 coupler sold separately), a 100-240 VAC power transformer, built in lithium-ion battery, and all required plumbing housed within a hard-shell portable storage case.

Sample gas is admitted into the refrigerant analyzers through the supplied sample hose and presented to the sensing device. The 16990 refrigerant analyzer provides the user with a digital display of refrigerant purity. The 16990 only considers the weights of the refrigerant and contaminates in the total mixture. Air is measured and displayed separately. Other contents such as refrigerant oil and dye are not considered contaminants.