10
GENERAL SAFETY
AND GUARANTEE CONDITIONS
1. PRECAUTIONS DURING USE
Please read the safety instructions below before using the
instrument to avoid any accidental injuries, such as burns or
electric shocks.
You must observe the instructions preceded by the symbol
.
1.1 DEFINITION OF THE INSTALLATION CATEGORIES
(Cf. CEI 664-1)
CAT I: Circuits protected by devices restricting temporary
excessive voltages to a low level.
E.g.: protected electronic circuits
CAT II: Power circuits for domestic appliances or similar
equipment, which may be subject to medium level temporary
E.g.: power supplies for domestic appliances and portable
power tools
CAT III: Power circuits for powerful machinery, which may be
subject to significant temporary excessive voltages.
E.g.: power supplies for industrial machinery and equipment
1.2 NORMS
Please refer to the norms and installation categories
mentioned in the specific instructions for each unit.
1.3 EXPLANATION OF THE SYMBOLS
double insulation
Accordi
directive
2002/96/EC
refer to the operating
instructions.
Do not apply around
or remove from
hazardous live
conductors
1.4 FOR WORKING SAFELY
This symbol applies to the whole of this section.
Take particular care with voltages in excess of 30 VAC RMS
and 50 VDC.
Never work above the indicated maximum voltage ranges,
particularly as regards the Earth.
When measuring the intensity, always check that the value
for the current to be measured is compatible with the size of
the instrument. For instruments fitted with fuses, check the
fuses’ condition before taking any measurements. Only
replace worn-out fuses with the fuses recommended in the
product’s instruction manual.
Never use the instrument in a damp or dusty environment.
Never use the instrument without wearing electrician’s gloves
and the other safety equipment recommended by the
legislation.
Never move your fingers outside the guard for the contact
points.
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