6
WIKA operating instructions transmitter, models GDT-20, GDHT-20
14063434.02 10/2019 EN/DE
EN
2. Safety
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 personnel
Skilled 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 the
work described and independently recognising potential hazards.
Special operating conditions require further appropriate knowledge, i.e. of aggressive media.
2.3 Safety instructions for use in switchgear
WARNING!
Residual media in the dismounted transmitter can result in a risk to persons, the
environment and equipment.
Take sufficient precautionary measures.
Aggressive media may be present should a failure occur.
The plant operator must ensure that the handling of SF
6
gas is only carried out by a qualified
company or by qualified persons which have been specially trained in accordance with
IEC 61634, section 4.3.1 or IEC 60480, section 10.3.1.
Valid standards and guidelines for SF
6
gas
Installation, assembly, commissioning:
■
BGI 753 (SF
6
plant and equipment in Germany)
■
IEC 61634 (Handling of SF
6
gas)
■
IEC 60376 (new SF
6
gas, technical SF
6
gas)
■
IEC 60480 (used SF
6
gas)
■
CIGRE report 276, 2005 (Practical SF
6
gas handling instructions)
Leaks during operation:
■
IEC 60376 (new SF
6
gas, technical SF
6
gas)
■
IEC 60480 (used SF
6
gas)
■
CIGRE 2002 (“SF
6
gas in the electrical industry”)
