[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [New Search]
On 19 Feb 2005 at 11:12, Russ Wolfe wrote: > It looks like a ceramic powder. I asked a furnace guy, and he says they > produce a voltage when hot. I thenk the ceramic is an insulator. There's a wire in there, with the ceramic powder packed around it as an electrical insulator. The central wire and the outer shell are connected together at the end, and that junction, which is between two different metals, is the thermocouple junction. That part generates a voltage when the tip is heated. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~