How much amperage can an alternator support? no really...
Joshua van Tol
josh at spiny.com
Sat Feb 9 14:50:28 PST 2008
The DC inductive current meters are 5x to 10x more $$$ than the AC
only ones, and they have drift issues, but they do exist, and they do
work. Very handy too.
On Feb 7, 2008, at 3:02 AM, Huw Powell wrote:
>> Inductive current meters depend on expanding and collapsing
>> electromagnetic fields - - as in A/C current.
>> A current thru a wire produces a magnetic field around the wire.
>> Passing a wire thru a magnetic field produces current in the wire.
>> A stationary wire in a stationary magnetic field produces nothing in
>> the wire.
>> DC current will produce a field around a wire . . .but the field
>> constant. No expanding and collapsing fields to produce current in
>> meter inductive pickup - hence, no reading.
>> Correct me if I'm wrong.
> I think you might be wrong, based on "personal experience".
> I agree that it is much easier to measure AC via inductive tools than
> DC, but I did see it done.
> Huw Powell
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