2
Upon checking the instrument and accessories, if any damage is found, immediately contact
your dealer or Hioki representative.
1.2 Operating AC Line Voltage
The super megohmemeter can be operated from one of the following AC power source when the
VOLTAGE SELECTOR switches are set accordingly.
AC Line Voltage Frequency
100 V
±
10% 50/60 Hz
120 V
±
10% 50/60 Hz
220 V
±
10% 50/60 Hz
240 V +10V,
‑
10% 50/60 Hz
1.3 Setting VOLTAGE SELECTOR Switches
The super megohmmeter can be operated from one of the AC line voltages of 100 V, 120 V, 220 V
and 240 V by setting the VOLTAGE SELECTOR switches to the specific positions, respectively.
Confirm the switch setting to the specific positions in accordance with Fig. 1.1.
If they are not set properly, correct their positions, accordingly.
To change the position of the switch, insert the tip of a flat blade screwdriver into the slot of the
switch lever, and slide the lever upward or downward.
CAUTION
Before connecting the power cord to the AC outlet socket, confirm that the VOLTAGE
SELECTOR switches on the rear panel are set to the positions, accordingly (See 1.3
Setting the VOLTAGE SELECTOR Switches.).
If the switches are set to wrong positions, a fire or burn may occur.
CAUTION
To change the VOLTASGE SELECTOR switch positions, be sure to
Unplug the power cord plug from the AC line socket to prevent a
possible damage.
When the switch position is changed while the voltage is on, the
Switch contacts will be damaged.
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