voltages can occur on devic e
voltage.
s with
environmental conditions are not
T ake into account that unexpected
under test (e.g.defective instrument).For example, capacitors may
be charged to a dangerously high
in good condition, e.g.no crac ked
V erify that the test leads are
insulation, no open circuits in the leads or connectors.
This clamp meter must not be used for measurements on circuit
corona discharge (high voltage).
on HF circuits. Dangerous
composite voltages may exist there.
Be particularly careful when measuring
Measurements under moist
permitted.
Do not overload the measuring ranges beyond their allowable
capacities. Limit values are given in specifications. Ref. Chapter 16.
Please verify the performance of clamp meter after repairing
of the mete r before using it for actual measurement.
Do not use the clamp meter if obvious wear in jaw opening
is visible.
Protection provided by the digital clamp meter may be
impaired if the clamp meter is not used in a manner
specified in this user manual.
Measurements at power sources for low-voltage installations,
consumers, distributor terminals, devices connected permanently
Measurements in electrical circuits which are not directly
connected to the mains: for example electrical systems in motor
Measurements in building installations, stationary power
eters, mains terminals, primary over voltage protection devices.
Meaning of categories and their significance as per IEC61010-1
vehicles and aircraft, batteries etc.
to the distributor.
CAT III:
CAT IV
:
CAT I:
which are electrically
connected to the low-voltage mains:with plugs, e.g. at home, in the
Measurements in electrical circuits
o
ffi
ce or laboratory etc.
II:
CAT
m
4
