GB/T 20919-2018 stipulates the technical requirements, test methods, inspection rules and marks, Encasement, transportation and storage of electronic digital external micrometers, which are suitable for such instruments in the common Measurement range, providing a unified technical basis for product manufacturing, mass inspection and daily use, which can ensure the accuracy of instrument measurement and product conformity, and help standardize the production and application process of related industries.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | J42 | ICS | 17.040.30 |
| Release Date | 2018-05-14 00:00:00 | Implementation Date | 2018-12-01 00:00:00 |