Power Supply 331C and 341C
The AC Adapter for the "C" versions is different than earlier versions, they are NOT interchangeable.
The 331C/341C units use the SE30-277 12VDC power supply.
Earlier versions used a 5VDC power supply with reversed polarity.
Use with the wrong power supply can damage an instrument. Only use the SE30-177 with 331C and 341C instruments.
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