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Storage temperature and humidity:
-10°C to 50°C (14 to 122°F), 80%RH or less (non-condensating)
Accuracy guarantee for temperature and humidity:
23°C±5°C (73°F±9°F), 80%RH or less (non-condensating)
Rotational speed measurement
Avoid the following locations that could cause an accident or damage to
the instrument.
Exposed to direct
sunlight
Exposed to high
temperature
In the presence of cor-
rosive or explosive
gases
Exposed to water,
oil, other chemi-
cals, or solvents
Exposed to high
humidity or con-
densation
Exposed to strong
electromagnetic fields
Near electromagnetic
radiators
Subject to vibra-
tion
Near induction heating
systems
(e.g., high-frequency
induction heating sys-
tems and IH cooking
utensils)
Measurement Precautions
Always wear protective eyewear as debris from the rotating
object may cause injury.
• Depending on the material of the object to be
measured or method of touching the contact tip,
the measurement error may occur.
• Avoid scratching or dirtying the two lenses inside
the detector window.
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