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These safety warnings are provided to ensure the safety of personnel and
proper operation of the instrument.
• Do not attempt to perform any tests with these instruments until you have
read the instruction manual.
• Safety is the responsibility of the operator!
• Tests are to be carried out only on non-energized circuits! Check for live
circuits before making resistance measurements (safety check).
• High voltage is present, as is the sample connected to it. Anyone
performing or assisting in testing must follow all safety precautions to
prevent electrical shock to themselves and to others.
• AEMC
practice, even if the equipment is properly operated and correctly grounded.
• When testing samples with a capacitive component, make sure they have
been properly discharged and are safe to touch. Dielectric insulation
samples should be short-circuited for at least five times the amount of time
they were energized.
• Megohmmeters should never be used in an explosive environment.
• Only use the leads that are supplied with the megohmmeter. If they are
defective or worn, replace before testing.
• This instrument can be used on installations rated for 1000V, Category III,
or 2500V, Category I.
1.1 International Electrical Symbols
Megohmmeter Models 5050/5060
0.561.8187
INTRODUCTION
considers the use of rubber gloves to be an excellent safety
®
This symbol signifies that the instrument is protected by double or reinforced
insulation.
This symbol on the instrument indicates a WARNING and that the operator must
refer to the user manual for instructions before operating the instrument. In this
manual, the symbol preceding instructions indicates that if the instructions are
not followed, bodily injury, installation/sample and product damage may result.
Risk of electric shock. The voltage at the parts marked with this symbol may
be dangerous.
In conformity with WEEE 2002/96/EC
www.
CHAPTER 1
WARNING
.com
information@itm.
3
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