Precision Sound Level Calibrators

For Sound Level Meters and Noise Monitoring Equipment | CAL Series

Use an acoustic or sound level calibrator to produce a known sound pressure level.  This known level can then be used to adjust your sound measuring equipment to measure more accurately in a process commonly known as calibration. Larson Davis also offers a range of calibrator adapters for different sized microphones.

Model Class (type)Output LevelFrequency
CAL200CAL200 precision sound level acoustic calibrator for microphones194 or 114 dB selectable1000 Hz
CAL250CAL250 precision acoustic sound level calibrator for microphones1114 dB251.2 Hz
CAL150CAL150 handheld sound level calibrator for microphones294 or 114 dB selectable1000 Hz