C.A 833 for calibrating sound level meters
The C.A 833 Calibrator is a standard source (1kHz) used for calibrating sound level meters.
- Compliant with the IEC 942 type 2 standard
- Calibration level: 94 and 114 dB
- Usable microphone diameter: 2.5 cm / 1.3 cm / 0.64 cm