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SIMPLE LOGGER II
1.1 Symbols used
Means that the device has double or reinforced insulation.
Warning! Hazard. The operator must refer to the operating instructions whenever this symbol is
used.
Warning! Risk of electric shock. The voltages present on the parts identified by this symbol
may be dangerous.
Earth.
Applicable to type A sensors. This symbol means that the clamp may be placed on and
removed from bare conductors at dangerous voltages.
The CE marking guarantees compliance with the European low-voltage and electromagnetic
compatibility directives (73/23/EC & 89/336/EC).
Battery.
Fuse.
Instructions it is essential to read and understand.
Information to be read.
USB connector for digital link
Sorting of wastes required for the recycling of electrical and electronic equipment in the
European Union. In accordance with directive WEEE 2002/96/EC: this equipment must not be
processed as household waste.
1.2 Definitions of the measurement categories
CAT I : Measurements made on circuits not directly connected to mains, such as specially protected circuits
from mains-derived circuits.
CAT II: Measurements made on circuits directly connected to the low-voltage installation. Examples:
measurements on household electrical appliances or portable tools.
CAT III: Measurements made on supply circuits in the building installation, such as distribution frames,
circuit-breakers, and fixed installations.
CAT IV: Measurements made on the sources of low-voltage installations, such as the primaries of
overcurrent protection devices, ripple control units, or meters.
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