Chapter 5 – Introduction
Warnings and Error messages
54
Brüel & KjærIntegrating Sound Level Meter Type 2239 A
User Manual
5.2.1 Storing the Instrument
● Keep the sound level meter in a dry place.
● For long-term storage, remove the batteries.
● Do not exceed storage temperature limits of –25 to +60°C
(–13 to +140
°F).
5.2.2 Cleaning the Instrument
If the instrument casing becomes dirty, then wipe it with a
cloth lightly dampened with water. Do not use abrasive cleans-
ers or solvents. Do not allow moisture to enter the micro-
phone, connectors, or casing.
5.2.3 Handling the instrument
● Do not try to remove the microphone grid, 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 re-
quires service, then please contact your Brüel & Kjær rep-
resentative.
● Do not allow the instrument to get wet.
● Never mix different makes or types of battery.
● Never mix fresh and partially discharged batteries.
● Do not allow fully discharged batteries to remain inside
the instrument.
● Protect the instrument from impact. Do not drop it. Trans-
port it in the shoulder bag supplied.
5.3 Warnings and Error messages
If you get an error message while using or calibrating your
Type 2239 A, then see the chart below.
bb221911.book Page 54 Tuesday, July 24, 2001 11:23 AM
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