Every Brinell Hardness Tester including the Analogue and Digital Brinell hardness testing systems comply with the ASTM E10 standard. The hardness tester comes certificate of calibration as well as NIST traceable hardness test blocks allowing you to confirm the hardness reading and operate the Brinell hardness tester from day 1. Request quote today to receive your certified Brinell Hardness Testing System.