Indiana Standards Laboratory offers ISO/IEC-17025 accredited calibration of sound level meters and calibrators. Sound level meters are calibrated to an accuracy of ± 0.25 dB and sound level calibrators to an accuracy of ± 0.23dB. We calibrate various manufacturers’ instruments including but not limited to: Extech, Quest, and 3M.

Calibrators & Sound Level Meters

      • (94 to 114) dB @ 250 Hz to 1 kHz, 125 Hz, 2kHz