Description
Features:
- Sound Level Calibrator
- Calibrator Output: Provides 94 dB re 20 uPs sound level at 1 kHz
- Calibration Accuracy: +/- 0.3 dB
- Power Source: Internal. 9 Volt battery
- Pocket-sized sound source for accurate, everyday, calibration of sound level meters
The Bruel & Kjaer 4230 Sound Level Calibrator is designed for the calibration of 1″ and 1/2″ diameter microphones.
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