They don't - they output 0mv when the two parts of the thermocouple are at
the same temperature. So if one end is at room temp, it will give 0 mv
when the other end is as well.
This isn't anything to do with the design - it's just how the underlying
physics of it works.
They don't - they output 0mv when the two parts of the thermocouple are at
the same temperature. So if one end is at room temp, it will give 0 mv
when the other end is as well.
This isn't anything to do with the design - it's just how the underlying
physics of it works.