ISO/TS 20460:2015
[Current]
Paper and board — Automated on-line testing — Metrological comparability between standardized measurements and output of on-line gauges
...online equipment, and the uncertainty in this deviation, at the time the instrument is actually used;
to confirm the uncertainty of measurements made with the online equipment;
to assess whether or not there has been any alteration of the online equ...
...In this process, there are three independent types of errors: online equipment errors, laboratory
equipment errors and sampling errors...
...online and laboratory equipment readings...