Specification for measuring instruments for constructional works - Metric graduation and figuring of instruments for linear measurement Ingestion-build-79769 Who is BS EN 62739-2

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Specification for measuring instruments for constructional works - Metric graduation and figuring of instruments for linear measurement Ingestion-build-79769 Who is BS EN 62739-21 Scope This British Standard specifies the requirements for the metric graduation and figuring of the following instruments: 1) Folding rules. 2) Laths. 3) Folding and multi folding rods. 4) Graduated squares. 5) Retractable coated and plated steel pocket rules. 6) Coated steel tapes and etched steel tapes and bands. 7) Synthetic material tapes. 8) Studded steel band chains 9) Land chains. 10) Levelling staffs.