NI 9213, thermocouple card,
>formatting link>It has 79M? differential input impedance.
>Is there any reason I can't drive two cards with one k type thermocouple?
>Big mean angry guy says, "don't do it", I want to absolutely right before I hold my ground! I see it as a very low impedance driving two very high impedances.
> Mikek
On impedance grounds, no problem with paralleling.
But the NI cards may emit common-mode noise, and confuse one another.
I suppose one could put some filters in to handle that kind of problem.
Joe Gwinn