Precautions During Use - Multimetrix CM 660 Manual De Instrucciones

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
excessive voltages. E.g.: power supplies for
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.
18
domestic