Hioki 8841 - Connecting the 9433 DC POWER ADAPTER

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2.2 Power Supply and Ground Connections
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2.2.2 Connecting the 9433 DC POWER ADAPTER
DANGER
Before making connections, make sure that the 9433 DC POWER
ADAPTER switch is turned off. If the 8841/8842 is connected to a
device such as a battery while the switch is in the on position, a
spark may be given off, damaging the 8841/8842.
WARNING
The rated supply voltage of the 9433 is 10 to 28 VDC (Voltage
fluctuations of
10% from the rated supply voltage are taken into
account.).
The 9433 DC POWER ADAPTER generates heat. To provide
adequate heat dissipation, avoid placing objects on top of the
8841/8842 or mounting it in confined spaces.
When connecting the 9433, take care not to mix up the red (+) and
black (-) lead. If polarity is reversed, the 9433 may be damaged.
When wishing to extend DC cable, use a cable of identical or better
rating as the cable of the input side.
The 9433 is made for use specifically with the 8841/8842 MEMORY
HiCORDER. Do not use with any other equipment.
NOTE
1. Verify that the 9433 switch is set to OFF.
2. Align the ridge of the connector on the unit with the groove in
the plug and insert the plug fully, and rotate the plug of the
connector to lock.
3. Connect the red input cable to the positive side (+) and the black
cable to the negative side (-).
4. To remove the cable, rotate it.
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This unit is not equipped to charge an external battery.
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When using a battery, take care not to deplete it completely.
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When the 8841/8842 detects an overcurrent or overvoltage on the output, it
will shut down. To turn power back on, turn off 9433 DC POWER
ADAPTER switch, wait approximately one minute, then turn on the switch.
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If both the AC power supply and 9433 are connected to the 8841/8842, the
AC power supply has priority. However, even when the 8841/8842 runs off
the AC power supply, the 9433 remains in standby mode and consumes
some power. Keep this in mind when connecting the 9433 to the battery
while the 8841/8842 is connected to an AC power source.
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Input cord rating: 37 A (allowable current)
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Failure of the 9433 to power on may indicate a blown fuse.
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For replacing the fuse, see Section 20.3.