16
phase with analog bar; on the top right corner display, the tested
insulation voltage in V (DC) is indicated, the symbol “ ” flashes
and the buzzer warns frequently
d)
Being free from the “TEST” button or pushing down the “TEST”
button in the “LOCK “ status can exit from the “LOCK” status and
shutoff the high-voltage
，
synchronously, the resistance values is
indicated in the primary display will be held, and the top right corner
display still be in the status of monitoring the insulation voltage for
the tested .
e)
Subsequently, discharge the balance insulation voltage of the tested
through the inner switch of the meter.
Turning the function switch o r p r e s s t h e
EXIT
button
can exit automatically from testing status during the process
。
POWER TOOLS AND AMALL APPLIANCES
This test would also apply to other similar equipment that has a line
cord. For double insulated power tools, the megohmmeter lead shown
connected to the housing would be connected to some metal part lf
the tool(e..g chuck, blade).
Note: The switch of the device must be in the “ON”position and the
main power should be disconnected.
MOTORS
AC-Disconnect the motor from the line by disconnecting the wires at
the motor terminals or by opening the main switch. If the main switch
is used and the motor also has a starter then the starter must be held,
by some means, in the “ON” position. In the latter case, the measured
resistance will include the resistance of the motor, wire and all other
components between the motor and the main switch. If a weakness is
in dicated, the motor and other components should be checked
