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Integrating-averaging Sound Level Meter Type 2240 – User Guide
Service and Repair
Type 2240 is designed and constructed to provide many years of reliable operation. However, if
a fault occurs that impairs the sound level meter's correct function, then remove the batteries to
prevent risk of further damage.
For more information about preventing faults or damage to your sound level meter, please read
the Care, Cleaning and Storage section below.
For repair, contact your local Brüel & Kjær representative. Brüel & Kjær provides a high level of
support and after-sales service to assist customers in the handling and operation of their instruments.
Care, Cleaning and Storage
Type 2240 is a delicate precision instrument. When handling, storing or cleaning your instru-
ment, please take the following precautions.
Handling the Instrument
•
Do not try to remove the microphone grid as you can easily damage the microphone in this
way
•
Do not attempt to open the instrument. There are no user-serviceable parts inside. If you think
your instrument requires service, please contact your Brüel & Kjær representative
•
Do not allow the instrument to get wet
•
Never mix different makes or types of battery
•
Never mix fresh and partially-used batteries
•
Do not allow fully discharged batteries to remain inside the instrument
•
Protect the instrument from impact. Do not drop it. Transport it in the supplied carrying pouch
Storing the Instrument
•
Keep the sound level meter in a dry place, preferrably within its carrying pouch
•
For long-term storage, remove the batteries
•
Do not exceed storage temperature limits of –25 to +60° C (–13 to +140° F)
Cleaning the Instrument
If the instrument casing becomes dirty, then wipe it with a lightly dampened cloth. Do not use
abrasive cleansers or solvents. Do not allow moisture to enter the microphone, connectors or
casing.
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