4
You must ensure that each accessory you use with this instrument has a category rating equal to or
higher than the instrument's category rating to maintain the instrument's category rating. Failure to do
so will lower the category rating of the measuring system.
Do not operate in an explosive or flammable atmosphere
Do not operate the instrument in the presence of flammable gases or vapors, fumes, or finely-divided
particulates.
The instrument is designed to be used in office-type indoor environments. Do not operate the
instrument
In the presence of noxious, corrosive, or flammable fumes, gases, vapors, chemicals, or finely-
divided particulates.
In relative humidity conditions outside the instrument's specifications.
In environments where there is a danger of any liquid being spilled on the instrument or where
any liquid can condense on the instrument.
In air temperatures exceeding the specified operating temperatures.
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