WIKA A-IAI-1 - Handbuch (Seite 7)

GB
WIKA operating instructions attachable indicator model A-IAI-1 7
14016825.01 02/2012 GB/D
2. Safety
Skilled electrical personnel
Skilled electrical personnel are understood to be personnel who, based on
their technical training, know-how and experience as well as their knowledge
of country-specific regulations, current standards and directives, are capable
of carrying out work on electrical systems and independently recognising
and avoiding potential hazards.
The skilled electrical personnel have been specifically trained for the work
environment they are working in and know the relevant standards and regula-
tions.
The skilled electrical personnel must comply with current legal accident
prevention regulations.
2.3 Additional safety instructions for instruments per ATEX
WARNING!
Non-observance of these instructions and their contents may
result in the loss of explosion protection.
Electrical specifications in accordance with the EC-type examination
certificate.
Input circuit:
In intrinsically-safe ignition protection type Ex ia/ib IIC/IIB.
Only for connection to certified intrinsically-safe circuits.
Maximum values:
U
i
= 28 V
I
i
= 100 mA
P
i
= 1,200 mW
Maximum effective internal capacitance C
i
< 13 nF
The maximum effective internal inductance is negligibly small.
WARNING!
Special conditions for all variants:
1. Modifications or repairs of the device may not be performed
by the customer. For maintenance or repair the device must
be sent to the manufacturer.
2. The opening of the device is only permitted outside the
hazardous area.