Rules For Safe Operation (1)
Warning
To avoid possible electric shock or personal injury,
and to avoid possible damage to the Meter or to the
equipment under test, adhere to the following rules:
l
Before using the Meter inspect the case. Do
not use the Meter if it is damaged or the case
(or part of the case) is removed. Look for cracks
or missing plastic. Pay attention to the insulation
around the connectors.
l
Inspect the test leads for damaged insulation
or exposed metal. Check the test leads for
continuity. Replace damaged test leads with
identical model number or electrical specifications
before using the Meter.
l
Do not apply more than the rated voltage, as
marked on the Meter, between the terminals or
between any terminal and grounding.
l
The rotary switch should be placed in the right
position and no any changeover of range shall
be made during measurement is conducted to
prevent damage of the Meter.
l
When the Meter working at an effective voltage
over 60V in
DC or 30V rms in AC, special care
should be taken for there is danger of electric
shock.
l
Use the proper terminals, function, and range
for your measurements.
l
Do not use or store the Meter in an environment
of high temperature, humidity, explosive,
inflammable and strong magnetic field. The
performance of the Meter may deteriorate after
dampened.
l
When using the test leads, keep your fingers
behind the finger guards.
Model UT50A/B/C: OPERATING MANUAL
6
