GRAS SOUND AND VIBRATION FACTORY APPROVED CALIBRATION AND SERVICE CENTER IN THE USA. OUR SHIP TO ADDRESS IS 103 TURPIN RD., INMAN, SC 29349
GRAS Sound and Vibration Product Line
Audio Precision (AP) Product Line
Axiometrics Solutions Product Line
IMC Data Acquisition Product Line
The GRAS USA service center is DGI Metrology providing NIST traceable and IEC/ISO 17025:2017 accredited calibration of microphones, preamps, microphone sets, Low Noise microphones, Artificial Ear Couplers, Array Microphones, Pistonphones, Acoustic Calibrators and more. For service such as repair and warranties, contact us directly for RMA’s and we’ll provide the logistics. You’ll ship directly to us then we handle everything from there.
For accelerometers, vibration sensors, associated signal conditioners click here.
Call 864-473-1188 for more information.

