© OMICRON 2024 Page 4 of 25
1 Safety instructions
This application note may only be used in conjunction with the relevant product manuals which contain all
safety instructions. The user is fully responsible for any application that makes use of OMICRON products.
Instructions are always characterized by a symbol, even if they are included in a safety instruction.
Possible equipment damage or data loss
Carefully read and understand the content of this application note as well as the manuals for the
systems involved before operating them.
Please contact OMICRON support if you have any questions or doubts regarding the safety or
operating instructions.
Follow each instruction listed in the manuals, especially the safety instructions, since this is the
only way to avoid the danger that can occur when working on high voltage or high current
systems.
Only use the equipment according to its intended purpose to guarantee safe operation.
Existing national safety standards for accident prevention and environmental protection may supplement
the equipment’s manual.
Before starting a test always make sure that the test signals are suitable for the system that you’re
testing.
Only ex
perienced and competent professionals that are trained for working in high voltage or high current
environments may implement this application note. The following qualifications are also required:
• Authorization for working in environments involving energy generation, transmission, or distribution,
and familiarity with the approved operating practices for such environments.
• Familiarity with the five safety rules.
• Knowledgeable and proficient when working with COMPANO 100, CP GB 1
1.1 Safety accessories
OMICRON offers a range of accessories for added safety during the operation of our test systems. For
further information and specifications, refer to the corresponding Supplementary Sheet or contact OMICRON
Support.
1.2 General
Do not touch any terminals without a visible connection to ground.
Before handling the COMPANO 100 in any way, connect them with a solid connection of at least 6
mm2 cross-section to ground.
Use the CP GB1 grounding box to connect the COMPANO 100 to short (< 5 km) medium voltage (<
36 kV) power cables only.
Do not use COMPANO 100 with CP GB1 to measure on longer power cables or power cables with a
higher operating voltage.
Ground the CP GB1 near the place where the connection to the test object is made.
Make sure that the grounding stud is in good condition, clean and free of oxidation.
Make sure that all studs and cables of the CP GB1 are screwed tight.