2-4
IM WT310E-02EN
Do Not Install the Instrument in the Following Places
• Outdoors.
• In direct sunlight or near heat sources.
• Where the instrument is exposed to water or other liquids.
• Where an excessive amount of soot, steam, dust, or corrosive gas is present.
• Near strong magnetic field sources.
• Near high voltage equipment or power lines.
• Where the level of mechanical vibration is high.
• On an unstable surface.
Note
• For the most accurate measurements, use the instrument in the following kind of environment.
Ambient temperature: 23°C ± 5°C Ambient humidity: 30% RH to 75% RH (no condensation)
When using the instrument in a place where the ambient temperature is 5°C to 18°C or 28°C to 40°C, add the
temperature coefficient to the accuracy as specified in chapter 7.
• When installing the instrument in a place where the ambient humidity is 30% or less, take measures to
prevent static electricity such as using an anti-static mat.
• Condensation may occur if the instrument is moved to another place where the ambient temperature or
humidity is higher, or if the temperature changes rapidly. In these kinds of circumstances, wait for at least an
hour before using the instrument, to acclimate it to the surrounding temperature.
Storage Location
• Ambient temperature: -25 to 60°C (no condensation)
• Ambient humidity: 20 to 80% RH (no condensation)
Do not store the instrument:
• Where the level of mechanical vibration is high
• In direct sunlight
• Where there are corrosive or explosive gasses
• Where an excessive amount of soot, dust, salt, or iron is present
• Near a strong source of heat or moisture
• Where water, oil, or chemicals may splash onto the instrument
We recommend that the instrument be stored in an environment where the temperature is between 5°C
and 40°C and the relative humidity is between 20% RH and 80% RH.
2.2 Installing the Instrument
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