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 ground.
l
The rotary switch should be placed in the correct
position and no changeover of range shall be
made during measurement, to prevent damage
of the Meter.
l
When working at an effective voltage over 60V
DC or 30V rms 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,
flammable 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.
6
Model 72-7720/72-7725: OPERATING MANUAL
