I'm using a data acquisition device and I've seen the parameters Channel-to-earth isolation and Crosstalk. How are these parameters are related?

I see crosstalk, floating, random spikes, fluctuations, excessive noise, or some other kind of unexpected voltage on my analog input channel. What are some possible reasons for this behavior, and how do ...

I'm getting wrong, unexpected, fluctuations or oscillations of several degrees in my thermocouple readings. They might center around what I expect the output to be, especially if I'm reading instantaneous ...