Quote:
Originally Posted by Juergen
Analog voltmeters aren't 12 volt or 6 volt. They will work on any voltage up to full scale. Now if full scale is 50 volts, you won't be able to tell 5 volts from 7 volts. If full scale is 15 volts, it may be possible. You really want full scale to exceed the maximum charge of your generator and to survive the maximum discharge of your battery through the voltmeter.
|
Most voltmeters for use in cars donīt start on 0...they have a narrow span close to working voltage to be accurate...So with a 12v unit starting on 7v using it on 6v will be difficult.