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## Re: [Electronics_101] Re: old ammeter

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• What if the meter is labeled F.S.=45.8 uA ? The meter coil measures just under 1K ohms. Is this just another way of labeling the meter as (nominal) 50 mV?
Message 1 of 51 , Feb 13, 2013
What if the meter is labeled "F.S.=45.8 uA"? The meter coil measures just under 1K ohms.

Is this just another way of labeling the meter as (nominal) 50 mV?

Thanks,
Dave

-=-=-=-

On 13 February 2013, at 5:12 AM, Kerim F wrote:

> ...
> In parallel.
> An ammeter is actually a sensitive voltmeter.
> It seems the full scale voltage of your ammeter is 50mV.
> If the the shunt is 1 Ohm, the full sacle current would be 50mA
> If the the shunt is 0.1 Ohm, the full sacle current would be 500mA.
> If the the shunt is 0.01 Ohm, the full sacle current would be 5A.
> If the the shunt is ?? Ohm, the full sacle current would be 100A ;)
• In reading the thread, it sounds like you got the help you needed. Rick ... From: Electronics_101@yahoogroups.com [mailto:Electronics_101@yahoogroups.com] On
Message 51 of 51 , Mar 21, 2013