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Old 03-13-2003 | 07:31 PM
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JimTrainor
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Default Small panel mount voltmeter
http://www.jameco.com/Jameco/Products/ProdDS/108388.pdf

The full spec reads 7-11 V @ 1 mA

A 9V battery will last quite a while at 1mA. If the battery is objectionable, then step down/up the DC supply per requirements.

A 3 kOhm resistor will drop a 12V battery down to 9V if the 1 mA draw is correct.
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