Standards Index · OIML
OIML R 111-1:2004
Weights of classes E1, E2, F1, F2, M1, M1–2, M2, M2–3 and M3 — Part 1: Metrological and technical requirements
What it covers
The international recommendation for standard weights: accuracy classes, maximum permissible errors, material and magnetism requirements, and calibration guidance. Freely available.
Summary written for this index — consult the official text for normative requirements.