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• Replace a weak or discharged battery as soon as it is detected. Incorrect
results may occur.
• Do not use or store this instrument in a high temperature or high humidity
environment. (Operating range: 0
°
~ 45
°
C, less than 75% R.H.)
• Do not store the meter in direct sunlight.
• Remove battery before storing meter.
Failure to observe these precautions could result in injury or property
damage.