WIKA A-AI-2 - Manual (Page 6)

2 Safety
6 WIKA operating instructions, model A-AI-2
This device was designed and tested considering the safety regulations for electronic measuring
devices.
Faultless operation and reliability in operation of the measuring device can only be assured if the
General Safety Measures and the devices specific safety regulation, mentioned in this operating
instructions, are considered.
1. Faultless operation and reliability in operation of the measuring device can only be assured if
the device is used within the climatic conditions specified in the chapter “Specifications“.
2. Always disconnect the device from its supply before opening it. Take care that nobody can
touch any of the unit‘s contacts after installing the device.
3. Standard regulations for operation and safety for electrical, light and heavy current equipment
have to be observed, with particular attention paid to the national safety regulations (e.g. VDE
0100).
4. When connecting the device to other devices (e.g. the PC) the interconnection has to be
designed most thoroughly, as internal connections in third-party devices (e.g. connection of
ground with protective earth) may lead to unwanted voltage potentials.
5. The device must be switched off and must be marked against using again, in case of obvious
malfunctions of the device which are e.g.:
visible damage
no prescripted working of the device
storing the device under inappropriate conditions for longer time
When not sure, the device should be sent to the manufacturer for repairing or servicing.
6. In case of connecting lines longer than 30 m or in case of lines leaving the building an
additional suitable overvoltage protection shall be provided.
2.2 Personnel qualification
WARNING!
Risk of injury should qualification be insufficient!
Improper handling can result in considerable injury and damage to equipment.
The activities described in these operating instructions may only be carried out
by skilled personnel who have the qualifications described below.
Keep unqualified personnel away from hazardous areas.
Skilled electrical personnel
Skilled electrical personnel are understood to be personnel who, based on their technical training,
knowledge of measurement and control technology and on their experience and knowledge of
country-specific regulations, current standards and directives, are capable of carrying out work on
electrical systems and independently recognizing 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 regulations.
The skilled electrical personnel must comply with current legal accident prevention regulations.