Hardness reference blocks: precision and reliability for your quality management

Our high-quality hardness reference blocks are an indispensable tool for the periodic testing of your hardness testers, which comply with the relevant standards (Brinell ISO 6506-4/ASTM E10; Vickers ISO 6507-4/ASTM E92&E384; Rockwell ISO 6508-4/ASTM E18; Knoop ISO 4545-4/ASTM E92&E384) and ensure a high level of quality assurance of the hardness reference blocks in accordance with an ISO/IEC 17025 accredited calibration laboratory.
As a reliable partner in the field of quality assurance, we understand the importance of precise and standard-compliant testing for your company.

Calibrated and certified

Each hardness reference block is supplied with a detailed certificate containing the necessary test parameters for a standard-compliant test.

High precision

Our plates ensure precise testing of your hardness testers and help to avoid systematic measurement deviations.

Versatile in use

Whether after changes to the machine settings, when changing the test method or the indenter – our hardness reference blocks are suitable for a wide range of applications.

Audit-compliant

With our products, you meet the normative requirements for documenting periodic inspections and are ideally equipped for audits.

Promotion: Hardness comparison plates at top prices

Only while stocks last!

Discover high-quality hardness reference blocks for Brinell, Rockwell, Vickers and many other methods – now on sale. Directly from stock and only while stocks last – it pays to be quick! Secure the best products before they are sold out.

The hardness reference blocks are recalibrated by the MPA NRW!

PDF Inventory of heresy comparison plates