B&K 2250 Light Manual do Utilizador descarregar pdf (Página 4)

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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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B&K 2250 Light Manual do Utilizador Página 4