5
Indicates very important message in this manual. When the symbol is printed
on the instrument, refer to a corresponding topic in the Instruction Manual.
Indicates DC (direct current)
Indicates a fuse
Indicates earth terminal
In this manual, the risk seriousness and the hazard levels are classified as follows.
Indicates an imminently hazardous situation that will result in death or
serious injury to the operator.
Indicates a potentially hazardous situation that will result in death or serious
injury to the operator.
Indicates a potentially hazardous situation that may result in minor or
moderate injury to the operator or damage to the instrument or malfunction.
Indicates functions of the instrument or relative suggestion of a correct
operation.
Usage Notes
Installation environment
Operating temperature and humidity range
0°C ~ 40°C
，
< 80%RH(no condensation)
Storage temperature and humidity range
23 ± 5°C
，
< 80%RH (no condensation)
Installing the instrument in inappropriate locations may cause a malfunction of instrument or accident.
Avoid the following locations.
Exposed to direct sunlight or high temperature
Exposed to corrosive or combustible gases
Exposed to water, oil, chemicals, or solvents
Exposed to high humidity or condensation
Exposed to a strong electromagnetic field or electrostatic charge
Exposed to high quantities of dust particles
ET System electronic GmbH
