PTC Metrology™ is accredited by A2LA to ISO/IEC 17025, ANSI/NCSL Z540-1. Our certificate number 1896.01 from A2LA covers calibration of durometers , thermometers, hygrometers, pressure gauges, data loggers, and infrared surface thermometers. In keeping with the worldwide demand for accredited calibrations, PTC Metrology has chosen A2LA as our accrediting body.
Standard Test Method for Rubber Property, Durometer Hardness.This test method covers twelve types of rubber hardness measurement devices known as durometers: Types A, B, C, D, DO, E, O, OO, OOO.