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BRUEL & KJAER 4230 Instructions And Applications

BRUEL & KJAER 4230 Instructions And Applications

Portable acoustic calibrator

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Portable Acoustic Calibrator
e
J
A simple to use pocket size acoustic
calibra-
tor.
Gives accurate sound pressure level of
94 dB at 1000
Hz.
BAUEL& K.'-'AC.A
N~RUM
,
DENMARK. Teleph.
:
80 05
00.
Cable
:
BRUKJA. Telex: 5316. COPENHAGEN
030 BB 0103

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