Calibrated Knoop hardness reference blocks
Euro Products manufactures calibrated Knoop hardness reference blocks for routine verification and calibration of hardness testers. Select the load or scale, the nominal hardness value and the certificate; the options narrow automatically to the combinations available.
ten Knoop scales from HK0.001 to HK1, with available nominal values from 40 to 950.
Euro Products reference blocks are manufactured from carefully selected materials, heat-treated, precision-ground and lapped to provide stable, repeatable hardness values. Each block is calibrated using certified calibration machines.
Certificate
- UKAS – UKAS certificate to BS EN ISO 4545 and ASTM E92.
- EURO – traceable laboratory certificate (non-UKAS).
The selected nominal value identifies the block you are ordering; the calibrated value and uncertainty of measurement are stated on the supplied certificate.
Block size
30 mm diameter × 10 mm thickness.
Bespoke hardness reference blocks
Can’t see the scale or value you need? Bespoke hardness reference blocks can be made to suit specific requirements. Contact us with your required test method, scale and nominal value.
