"We Do The Job Right"                           Office (864) 473-1188
Fax  (864) 473-1274

The most technically competent provider of granite surface plate calibration and repair Specializing as well in accelerometer, velometer, microphone and other acoustic/vibration sensor calibrations.

Granite Surface Plate

Our Specialty for 33 Years! Many have thought they were getting proper work until they used us.


Accelerometer Calibration, Microphone Calibration,  Pistonphone Calibration, Acoustic and Vibration Calibration.

National Instruments

National Instruments Calibrations, C Series Calibrations, PCIe-4461 Calibration, NI Device Calibration

GRAS Sound and Vibration

DGI Metrology is a GRAS factory authorized accredited calibration center. Microphone Calibrations and more.


View and Print Accreditation Certificate


DGI Metrology/Dimensional Gauge Company is an ISO/IEC 17025 and ANSI-Z-540 Accredited calibration laboratory by ANAB, an ANSI company. "We Do The Job Right" is more than just a slogan, it's our mindset. We back that up with a 100% satisfaction gurantee.


New! Software Development



GRAS Sound and Vibration Calibrations, Accredited