Quote:
Originally Posted by Ether
It's not practical. .025 ohms will have a significant effect on motor torque.
25mOhm is .025 ohms.
A clamp-on DC ammeter uses a Hall Effect device to sense the static magnetic field created by the DC current.
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Sorry. I confused mOhms with uOhms!
I think it would be better to skip the resistor and bring along a foot of gauge 8 wire. That aught to do it without over-dropping the voltage.
Using a hall-effect sensor is a different way of thinking about it! I was thinking about measuring current by creating a transformer, with the second winding as a coil around the main wire!