BS ISO 48-9:2018 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).Cross References:ISO 48-4ISO 48-5ISO 48-2ISO/IEC 17025ISO 48-3ISO 18899All current amendments available at time of purchase are included with the purchase of this document.