Gage Calibration
Calibration for Surface Plates, Blocks and Ring Gauges
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- ✓Work performed under ISO/IEC 17025:2017
- ✓Serving Middle Tennessee and the Upper South
- ✓As-found data recorded before adjustment
- ✓Certificate states method, conditions and uncertainty
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Scope of Gage Calibration
Granite surface plates, gauge blocks, and ring and plug gauges are calibrated alongside CMM work, so an inspection department can schedule one request instead of several. Pickup and return of smaller gaging can be coordinated around the same visit as a CMM calibration.
Results are traceable to the SI through NIST, with reference standards and uncertainty stated on each certificate. As-found readings are recorded before any cleaning or adjustment is made to a gage.
Gages Covered
Each gage type is checked against its own standard, so a plate, a block and a ring gauge are never measured the same way.
Surface plates
Flatness is mapped across the working surface and reported by grade.
Gauge blocks
Length and parallelism are verified for individual blocks or full sets.
Ring gauges
Internal diameter is checked against class tolerance.
Plug gauges
External diameter and taper are verified against the stated class.
Set recertification
Full gauge block sets are recertified together so interval records stay aligned.
How Gage Calibration Proceeds
Intake and review
Gage type, class and prior calibration history are logged.
Measurement
Comparison against reference standards is completed under controlled conditions.
Data review
Results are checked against tolerance before release.
Certificate issue
Uncertainty and reference standards are stated on the certificate.
Why Nashville CMM Calibration and Repair
Combined scheduling
Surface plates and gauge sets are scheduled with CMM calibration visits.
Class-based tolerance
Each gage is checked against its stated grade or class, not a generic limit.
SI traceability
Measurements trace to the SI through NIST, stated on every certificate.
Coverage across Middle Tennessee and the Upper South
Service is coordinated across Middle Tennessee and the Upper South. Availability of on-site versus depot service varies by equipment type and location.
Discuss Gage Calibration Requirements
Send a gage list for a calibration quotation.