The new standard provides a better way for film producers and buyers to measure plastic film than the contacting method. (D6988 is the ASTM standard for contact micrometers). This standard has a NIST traceable calibration that can help settle disputes about the average thickness of the film being bought/sold. It provides a procedure for profiling film as well as spot measurements.
Here you can see the PR2000 Precision Profiler going through the requirements of the apparatus section: