Working on HV devices is extremely dangerous. Measurements must be carried out only by
qualified, skilled and authorized personnel. Before starting to work, clearly establish the
responsibilities. Personnel receiving training, instructions, directions or education on the
measurement setup must be under constant supervision of an experienced operator while working
with the equipment. The measurement must comply wit the relevant national and international
safety standards listed below:
• EN 50191 (VDE 0104) “Erection and Operation of Electrical Equipment”
• EN 50110-1 (VDE 0105 Part 100) “Operation of Electrical Installations”
• IEEE 510 “Recommended Practices for Safety in High-Voltage and High-Power Testing”
• LAPG 1710.6 NASA “Electrical Safety”
Moreover, additional relevant laws and internal safety standards have to be followed.
1.4 Measuring cable management and connection
The HV Cable and the 2 measurement cables A and B are shielded. On the one hand because of
the safety and on the other because of the measuring accuracy.
Take care that no jacket of the cable touches the high voltage parts because of partial discharge or
flashover!
1.5 Before applying power
Read this manual carefully before operating the system. The CAPO 2.5 and the CAPO 12 operates
within a wide range of power input from 85Vac to 264Vac and 47Hz to 63Hz with automatic
ranging.
WARNING !
WARNING !
Before operating the instrument, be sure you have read and understood fully
the operating instructions. This instrument is connected to hazardous
voltages. It is the responsibility of the user to ensure that the system is
operated in a safe manner.
One must always expect that under certain circumstances a dangerous high
voltage can be applied!
CAUTION !
CAUTION !
Note that no cable touches the high voltage parts with the jacket!
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