UNI-T UT525, Operating Manual

Page: 26 / 31

25
UT525/526 Operating Manual
26
UT525/526 Operating Manual
Continuous Testing Operation
Select one test voltage with dial plate (the optional voltages of UT525:
100V/250V/500V; the optional voltages of UT526: 250V/500V/1,000V) and
press TEST key which is in self-locking state to make continuous testing and
output insulation resistance testing voltage, and the test light become red. After
completing testing, press TEST key to unlock to stop testing.
Note
1. Before testing, make sure that the circuit to be tested is uncharged, do not
test the insulation of charged equipment or live circuit.
2. After completing testing, do not touch the circuit with hand, the stored
electric capacity may cause electric shock.
3. Cut the connection between testing wires and the circuit tested, do not
touch them with hand until the voltage is released completely.
4. When the battery cover is open, do not test.