3
UK
Preliminary note
1
Symbols used
1.1
►
Instruction
>
Reaction, result
[…] Designation of buttons, switches or indications
→
Cross-reference
Important note
Non-compliance can result in malfunctions or interference�
Safety instructions
2
Please read this document prior to installing the unit� Ensure that the product is
•
suitable for your application without any restrictions�
Improper or non-intended use may lead to malfunctions of the unit or to
•
unwanted effects in your application� That is why installation, electrical con-
nection, set-up, operation and maintenance of the unit must be carried out by
qualified personnel authorised by the plant operator�
In all applications test the compatibility of the product materials (→ 8 Technical
•
data) with the media to be measured�
For the scope of validity cULus:
The device shall be supplied from an isolating transformer having a secondary
Listed fuse rated either
a) max 5 amps for voltages 0~20 Vrms (0~28�3 Vp) or
b) 100/Vp for voltages of 20~30 Vrms (28�3~42�4 Vp)�
