Hardness Tester Calibration Services
Rockwell, Brinell, benchtop or portable — material certs stand on the tester behind them.
ACS Calibration delivers NIST-traceable, audit-ready hardness tester calibration, available at the ACS central lab or directly on-site at facilities across the Southeast.
The Number on the Material Cert
Hardness testers qualify material the rest of the process trusts: incoming steel verified against the mill cert, heat-treat results confirmed before machining, weld zones checked in the field. A tester with worn indenters, drifted load application, or sticky depth measurement quietly re-grades material in whichever direction it pleases.
We verify hardness testers NIST-traceable — load application, depth indication, and response against certified test blocks — documented as-found and as-left, benchtop and portable units alike.
Material-testing benches keep company: durometers for the soft materials, force gauges, and the micrometers measuring what the tester approved — one shipment covers it.
What You Get With Every Calibration
- NIST-traceable calibration certificate with real measurement data — not just a pass/fail sticker
- As-found and as-left readings, so drift is documented
- ISO/IEC 17025 accredited certificate with reported uncertainty — on request
- Calibration label with due date, plus a reminder before your next calibration is due
Why Companies Choose ACS
NIST-Traceable, Accredited on Request
Every calibration ships with real measurement data and a NIST-traceable certificate — and accredited certificates are available for instruments on our PJLA scope.
4–6 Business Day Typical Turnaround
Keep production moving. Most instruments are typically completed in 4 to 6 business days from arrival, with rush options available when a line is down.
Flexible Logistics
Mail your instruments in, or schedule onsite calibration and we come to your floor — serving Alabama, Florida, Georgia, Mississippi, Tennessee, South Carolina, and beyond.