Got a question?

Feel free to contact us:

GRAS Sound & Vibration A/S 
Europe & Asia    | Americas
service@gras.dk | logistics@gras.us
+45 4566 4046  | +1 330 425 1201

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Traceable Calibration

All GRAS microphones are calibrated as an integral part of our quality assurance. This calibration is traceable to the Danish National Metrology Institute, also known as DFM. It is performed by specially-trained GRAS personnel under controlled conditions and according to established procedures and standards.

We also offer traceable calibration as an after-sales service. This is the same rigorous calibration that we do in the final stage of our quality assurance for any new piece of equipment.

New as well as re-calibrated equipment is delivered with up-to-date calibration information on individual calibration charts or extended calibration certificates stating sensitivity, frequency response and environmental calibration conditions.