
www.bksv.com4
USES
Calibration of sound level meters and other sound measurement equipment
FEATURES
Conforms to EN/IEC 60942 (2003) Class LS and Class 1, and ANSI S1.40 – 1984
Highly stable level, built-in reference microphone
Two calibration levels (94 and 114 dB, 1000 Hz)
Simple operation
Robust
Type approved and verifiable
SOUND CALIBRATOR – 4231
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