Two Monitors on One Shunt?
In another thread the set up is where two monitors share a ?? 500a shunt. Each monitor specifies 500a anyway. On the side of a shunt you get the little screw terminals (I have only seen the Tri...
Forum Discussion
DrewE wrote:ScottG wrote:
It will work fine. The digital meter itself doesn't create any load that will effect the other meter.
In the old days of analog meters it would not work but the digital units have almost absurdly high impedance.
Even with a low input impedance, it would not affect the reading sufficiently to make any real difference. The source impedance of a 500A/100mV shunt is one-fivethousandth of an ohm (0.2 milliohms), as computed by a simple application of Ohm's law. It would have to be an extremely low input impedance meter input to see any loading effects of practical significance.
This is somewhere around the the same level of error as would be the loading effects from multiple voltmeters connected to the same 12V battery.
Oh you underestimate how anal some are here :B
Even if a meter dropped half the thickness of the needle some of these guys would be up in arms. :p
