Acoustics

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

- - 114 dB @ 125 Hz to 1 kHz
  - 114 dB @ 2 kHz
  - 94 dB @ 250Hz, 1 kHz

Sound Level Meters (Linearity)

- - (0 to 120) db @ 1 kHz