User Manual
UT108/109 OPERATING MANUAL
8
Rules For Safe Operation
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:
● 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.
● 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
specications before using the Meter.
● When using the test leads, keep your ngers behind the nger guards.
● Do not apply more than the rated voltage, as marked on the Meter, between the
terminals or between any terminal and grounding.
● 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.
● Use the proper terminals, function, and range for your measurements.
● 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