10
OPERATION
This instrument has been designed and tested in accordance with IEC Publication 1010, Safety Require-
ments for Electronic Measuring Apparatus and has been supplied in a safe condition. This instruction
manual contains some information and warnings which have to be followed by the user to ensure safe
operation and to retain the instrument in safe condition.
3-1 Precautions and Preparations for measurement
1. Make sure that the battery is properly connected.
2. The instrument should only be operated between 0°C
～
45°C and at less than 75% R.H.
3. Do not use or store this instrument in a high temperature or high humidity environment and do not store the unit
in direct sunlight.
4. Do not replace battery with power on condition.
5. If the unit is not to be used for a long period of time, remove the battery.
6. Do not forget to turn off after use.
