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WARNING: Failure to follow these safety instructions could result in re, electric shock, or other injuries,
or damage to sound level meter or other property. Read all the safety information below before using
sound level meter.
Important safety information
Important handling information
Safety, Handling, & Maintenance
Cleaning Clean instrument immediately if it comes in contact with anything that may
cause stains—
such as dirt, ink, makeup, or lotions. To clean:
• Disconnect all cables and turn instrument off.
• Use a soft, lint-free cloth.
• Avoid getting moisture in openings.
• Don’t use cleaning products or compressed air.
Operating temperature The instrument is designed to work in ambient temperatures
between 5° and 40° C (41° and 104° F) and stored in temperatures between -10° and 60° C
(14° and 140° F). The instrument can be damaged and battery life shortened if stored or
operated outside of these temperature ranges. Avoid exposing the instrument to direct
sunlight even the the air temperature is within the limits.
Operating humidity The instrument is designed to work in humidity < 80%rh and stored in
dry place where humidity is less than 70%rh.
Store microphone carefully Microphone is the key component of the instrument and keep
it dry and avoid severe shake or vibration.
Operate Avoid using instrument in humid or wet places. Make sure that humidity is within
the limits indicated in the next section. Avoid using meter in presence of explosive gas,
combustible gas, steam or excessive dust.. Be sure to turn it off after use. If you expect not
to use the instrument for a long period remove batteries to avoid leakages of battery liquid
which could damage the its inner components.
Handling Handle the meter with care. It is made of sensitive electronic components. The
meter can be damaged if dropped, burned, punctured, or crushed, or if it comes in contact
with liquid. Don’t use a damaged meter, such as one with a cracked screen, as it may cause
injury.