Iwatsu SS-663, Instruction Manual

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Chapter 2 Names and Functions of Parts
13
2.2 Names and Functions of Main Unit
No. Name Description Reference
 POWER switch
Turns this instrument on and off.
This instrument is turned on when this slide
switch is moved to the I side and is turned off
when moved to the O side.
This instrument operates with four AA dry
batteries placed in its back (battery case

).
► Section 4.2
 LED lamps
OPERATION
LOW BATTERY
Indicates the operating condition of the power
supply of this instrument. Comes on green when
this instrument is turned on and comes off when
turned off.
Indicates the state of AA dry batteries. This lamp
turns yellow when the batteries are consumed.
Replace them when the lamp lights up yellow.

ZERO ADJ
Used to adjust the ZERO point of the output  .
There is a hole for ZERO point adjustment on
the side of ZERO ADJ. Insert the accessory
Adjustment Screwdriver into the hole to perform
ZERO point adjustment.
► Section 4.2
 Input part
The sensor cable (refer to Section 2.3) integral
with the main unit is connected to this part. ► Section 2.1
 Output part BNC output connector. Outputs the voltage
(current waveform) of the main unit. ► Section 2.1

Connector for AC
adaptor (input)
Used to connect the AC adaptor (option) for this
instrument to this connector. The adaptor
supplies power by converting commercial power
supplies to 7 VDC.
This instrument operates with the AC adaptor
(option) when the adaptor is connected to this
connector.
► Section 2.1
 Battery case Located on the back of the main unit and used
to house four AA dry batteries. To open this
battery case, push its lid downward. Place the
batteries in this case while paying attention to
their orientation, and then close the lid. ► Section 2.1
⑧
Back label There is a label placed on the back of the main
unit.
The label describes the following:
• TYPE: One of the three models,
SS-663/664/665
• Peak Current: One of the current values that
the above model handles, 120A, 300A,
600A.
• Sensitivity: Voltage sensitivity (mV/A) of the
current that the above model handles.
• S/N: 11-digit serial number
► Section 2.1