4
5
KMIR-01
KMIR-01
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.
WARNING
This
WARNING
symbol indicates a potentially hazardous situation,
which if not avoided, could result in death or serious injury.
CAUTION
This
CAUTION
symbol indicates a potentially hazardous situation,
which if not avoided, may result damage to the product.
This symbol advises the user that the terminal(s) so marked must
not connected to a circuit point at which the voltage with respect to
earth ground exceeds (in this case) 600 VAC 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. Safety
2.1.safety infomation
PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY
OVERVOLTAGE CATEGORY I
Equipment of
OVERVOLTAGE CATEGORY I
is equipment for connection to ciruits in
wchich 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, office, and laboratory appliances.
OVERVOLTAGE CATEGORY III
Equipment of
OVERVOLTAGE CATEGORY III
is equipment in fixed installations.
Note-Examples include switches in the fixed installation and some equipment for industrial
use with permanent connection to the fixed installation.
OVERVOLTAGE CATEGORY IV
Equipment of
OVERVOLTAGE CATEGORY IV
is for use at the origin of the installation.
Note-Examples include electricity meters and primary over-current protection equipment.
EN
EN
