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I. SAFETY INFORMATION
Read t he f ollowing s afety information c arefully b efore at tempting t o oper ate or
service the meter.
Use the meter only as specified in this manual; otherwise, the protection provided
by the meter may be impaired.
Environment conditions
Altitude up to 2000 meters
Relatively humidity 90% max.
Operation Ambient 0° ~ 40°
C
Maintenance & Clearing
Repairs or s ervicing n ot c overed in t his m anual s hould o nly be p erformed b y
qualified personnel.
Periodically wipe the case with a dry cloth. Do not use abrasives or solvents on
this instruments.
Safety symbols
Comply with EMC
When servicing, use only specified replacement parts.
II. GENERAL DESCRIPTION
Thank you for using our Data Logger Sound Level Meter. To ensure that you can
get the most from it, we recommend that you read and follow the manual carefully
before use.
This unit conforms to the IEC651 type2, ANSI S1.4 Type2 for Sound Level Meters.
This D ata Lo gger Sound Level Meter i nternal m emory c an k eep up t o 32 000
records.
(Note 1.)
It uses RS232 interface to perform bi-directional communication with PC.
Note1 (model 735):
Press “REC” to begin recording, press “REC” again to stop recording. The data will be l oaded into
the memory until it is full.
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