

Preventative Maintenance
Properly maintaining your equipment will ensure consistent performance , minimize downtime and reduce the likelihood of costly repairs.
Our team of expert technicians will inspect your equipment, replace wear parts, and evaluate overall operation of your machine.


Hardness Tester Calibration
Calibration from the teams who knows your tester best
Hardness tester calibration is critical to maintaining accurate readings. Buehler field service technicians provide meticulous and timely calibrations giving you piece of mind for your daily work. Use of high quality and independently accredited Wilson test blocks provide confidence in accurate traceable calibrations.
Enter your audits with the confidence that comes from working with the leading manufacturer of hardness testers in the world.
Partner with Buehler, an ISO17025 accredited organization. Our calibration service meet standards that are requested during NADCAP audits and keep you ahead of the curve for audit preparation with a pre-audit checklist.
Request a Quote for Hardness Tester Calibrating
Calibration Services Included
A comprehensive inspection including cleaning, alignment, review of wear parts and blocks
01A review of daily work matched to verification standards
02A compliance review of paperwork and logs
03Indirect verification of the hardness tester using traceable test blocks on customer specified scales
04Assurance that your machine load is properly set and can be applied without shock or vibration
05Verification of condition of anvils, steel ball, and/or diamond indenter
06A Certificate of compliance and pre-audit checklist
07Better Blocks for Better Calibration
All Wilson test blocks are calibrated in the Wilson Hardness Calibration Laboratory in Binghamton, NY. The Wilson lab is accredited to ISO-IEC 17025 by A2LA and the testers used in the calibration process undergo a stringent monitoring process using NIST traceable devices. Accreditation by an independent, world-class accreditation provider, A2LA, validates the quality of Buehler calibration services.
Buehler is accreditied for direct and indirect calibration
- Rockwell: ASTM E18, ISO 6508
- Knoop/Vickers: ASTM E92, ISO 6507
- Brinell: ASTM E10, ISO 6506


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