Tube DIY Asylum

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RE: My meter is scaled to 200 ma.

Posted by Chip647 on June 20, 2017 at 12:47:19:
Most old panel meters need an external resistor network to function correctly. My advice is to test it carefully before putting it in a circuit and destroying it. But yes, if the coil resistance is 1 ohm then it could be used directly as a low current ammeter.