Features
• Blocks manufactured by hardness tester manufacturer
• Calibrated using calibration reference machines
• Supplied with a UKAS accredited calibration certificate
• Manufactured in accordance to Indentec’s 17025:2005 Quality Assurance System
• Full NADCAP compliance
• Traceable to national standards
• Supplied with an individually identified wallet
• Double or triple calibrated blocks available
• Re-calibration service
• Measurement uncertainties supplied for each block
Application
This means that indirect verification should be performed for each hardness scale that is used when testing. This requires 5 indentations to be measured and their repeatability and error confirmed to be within the limits set by the standards. For Rockwell ISO 6508:2 and ASTM E18, Vickers 6507:2 and ASTM E384 and Brinell 6506:2 and ASTM E10. Indirect verification is an essential part of quality assurance systems and NADCAP accreditation. Test blocks can be made out of a range of different materials depending on the hardness level required, with the most common being steel, brass, and aluminium.
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