CA833
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The C.A 833 Calibrator is a standard source (1kHz) used for calibrating sound level meters.
- in compliance with IEC 942 type 2 standard
- calibration level: 94 and 114 dB
- usable microphone diameter: 1, 0.5, 0.25 inches
- drift due to temperature: +/- 0.0015dB/°C
- drift due to humidity: -0.1 dB/% RH
- total harmonic distortion: <3%
