This standard specifies the terms and definitions, types and basic parameters, technical requirements, inspection methods, marking and Encasement of the image level. It is applicable to the image level with a scale interval of 0.01 mm/m and a range of (010) mm/m or (020) mm/m. The standard describes in detail the technical requirements and performance indicators of the image level, and specifies its inspection and marking requirements to ensure its effectiveness in accurate measurement of levelness and verticality.
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 | 2008-11-12 00:00:00 | Implementation Date | 2009-05-01 00:00:00 |