Research Report RR:D02-1673
An interlaboratory study was conducted to establish a precision statement for ASTM D 2983, after re-writing the method for clarity. In addition, even though liquid baths were mentioned in the method, they had never been included in any precision work that was published. Therefore, these types of instruments were tested in the study. Lastly, the method has always mentioned having usefulness up to high viscosities, however, the past work never went above 200,000 mPa-s. This study included oils up to 900,000 mPa-s.
D2983-19e1 Standard Test Method for Low-Temperature Viscosity of Automatic Transmission Fluids, Hydraulic Fluids, and Lubricants using a Rotational Viscometer
Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants
Subcommittee D02.07 on Flow Properties