Per Iec1010 Overvoltage Installation Category - PROF 502212371 Instruction Manual

1. Introduction
This meter measures AC/DC Voltage, AC/DC Current, Resistance,
Capacitance, Frequency (electrical ), Diode Test, and Continuity . It features
a waterproof, rugged design for heavy duty use. Proper use and care of this
meter will provide many years of reliable service.
Safety
This symbol adjacent to another symbol, terminal or operating device
indicates that the operator must refer to an explanation in the Operating
Instructions to avoid personal injury or damage to the meter.
This WARNING symbol indicates a potentially hazardous
situation, which if not avoided, could result in death or serious
WARNING
injury.
This CAUTION symbol indicates a potentially hazardous
situation, which if not avoided, may result damage to the
CAUTION
product.
This symbol advises the user that the terminal(s) so marked
must not be connected to a circuit point at which the voltage
with respect to earth ground exceeds (in this case) 600VAC or
VDC.
This symbol adjacent to one or more terminals identifies them
as being associated with ranges that may, in normal use, be
subjected to particularly hazardous voltages. For maximum
safety, the meter and its test leads should not be handled when
these terminals are energized.
This symbol indicates that a device is protected throughout by
double insulation or reinforced insulation.

2. PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY

OVERVOLTAGE CATEGORY I
Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to
circuits in which measures are taken to limit the transient overvoltages to
an appropriate low level.
Note – Examples include protected electronic circuits.
OVERVOLTAGE CATEGORY II
Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to
be supplied from the fixed installation.
Note – Examples include household, o ice, and laboratory appliances.
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