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SyMboLS

�

Refer to the manual

Conforms to relevant

�

Australian standards.

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Warning and Precautions

•

for wind speeds over 10 m/sec (22.3 mph), use the windscreen on the

microphone.

•

for general sound level measurements use A weighting. for checking the

low-frequency content of noise use C weighting. if the C-weighted level

is much higher than the A-weighted level, then there is a large amount of

low-frequency noise

•

for normal measurements use the fAST mode. for checking average level

of fluctuation noise use the SLow mode.

UNPACkINg ANd INSPECtIoN

Your shipping carton should include:

SM-10 / 20 sound level meter

9 volt battery

download Suite Cd-RoM (SM-20)

RS-232 to mini stereo phono jack (SM-20)

Users Manual

if any of the items are damaged or missing, return the complete package to

the place of purchase for an exchange.

INtRodUCtIoN

This Sound Level Meter has been designed to meet the measurement

requirements of safety engineers, health, industrial safety offices and quality

control in various environments. This unit conforms to the ieC651 Type 2,

AnSi S1.4 Type 2, JiSC1502 requirements for Sound Level Meters.

oPERAtIoN

press

� button for power on.

Select the desired response time and weighting. if the sound source

consists of short bursts or only catching sound peak, set response to fAST.

To measure average sound level, use the slow setting. Select A weighting

for general noise sound level and C weighting for measuring sound level

of acoustic material.

do not dispose of this

�

product as unsorted

municipal waste.

Complies with eU

�

directives