10
UT501/UT502 OPERATING MANUAL
Caution
When performing resistance tests, remove all power from the circuit to
be measured and discharge all the power.
When servicing the Meter, use only the same model number or identical
electrical specifications of test leads and power adaptor.
Do not use the Meter if the battery indicator ( ) shows a battery
empty condition. Take the battery out from the Meter if it is not used
for a long time.
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.