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b) Symbols on the product
Symbol Meaning
This product conforms to CE standards and complies with the
necessary European directives.
The device is built according to protection class II (double or reinforced
insulation, protective insulation).
The lightning symbol in the square permits current measurements on
uninsulated, hazardous active conductors and warns of the possible
hazards. Personal protective equipment must be used.
CAT II
Measurement category II for measurements on electrical and
electronic devices that are directly connected to the mains voltage via
a mains plug. This category also includes all lower categories (e.g.
CAT I for measuring signal and control voltages).
CAT III
Measurement category III for measurements in building installations
(e.g. power outlets and sub-distribution units). This category also
includes all lower categories (e.g. CAT II for measuring electrical
devices). Measuring in CAT III is only permitted with test prods with
a maximum free contact length of 4 mm or with cover caps over the
test prods.
Earth potential
Symbol for the capacitance measuring range
Polarity markings (positive and negative) for direct current
measurement. The symbols show the direction of the current ow to
ensure the correct polarity when measuring.
Position marker for the conductor to ensure the correct current
measurement.
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