Rubber, vulcanized or thermoplastic — Determination of hardness — Part 9: Calibration and verification of hardness testers
硫化橡胶或热塑性橡胶硬度的测定第9部分:硬度计的校准和验证
This document specifies procedures for the calibration and verification of durometers of types A, D, AO and AM (see ISO 48-4), IRHD pocket meters (see ISO 48-5), IRHD dead-load instruments (see ISO 48-2) and dead-load instruments using the very low rubber hardness scale (see ISO 48-3).