•
Do not connect to, or touch, any electrical circuit with the
Thermo-Hygrometer.
•
To avoid injury or fire hazard, do not operate this product in an
explosive atmosphere or environment.
•
Remove (unscrew) the protective metal tube covering the
sensor head when using the Thermo-Hygrometer.
•
Do not immerse the Thermo-Hygrometer sensor head into liq-
uids - this may cause permanent damage to the sensors.
•
Screw on the protective metal tube covering the sensor head
when not using the Thermo-Hygrometer.
1.1
International Electrical Symbols
This symbol signifies that the instrument is protected by double or reinforced
insulation.
This symbol on the instrument indicates a WARNING and that the operator must refer
to the user manual for instructions before operating the instrument. In this manual,
the symbol preceding instructions indicates that if the instructions are not followed,
bodily injury, installation/sample and product damage may result.
Risk of electric shock. The voltage at the parts marked with this symbol may be
dangerous.
This symbol refers to a type A current sensor. This symbol signifies that application
around and removal from HAZARDOUS LIVE conductors is permitted.
In conformity with WEEE 2002/96/EC
2
CHAPTER 1
INTRODUCTION
Warning
Thermo-Hygrometer Model CA846