Peter Heckert <[email protected]> wrote:
> Like Saran wrap? (What you wrap sandwiches with.) >> > IDont know. Polyethylene nowadays. See: http://en.wikipedia.org/wiki/Saran_(plastic) I probably do not have Saran wrap, but I have something similar. > The thermoelement must not make a hole into it. > I will use a couple of layers wrapped around the pipe, with the sensor on top of that. The stuff is strong. It will make no hole. I will place the other sensor nearby directly exposed to the pipe. I will use the hot water copper pipe. > [Miles] installed several thermocouples at various locations in the copper >> sheath. They all registered the same temperature to better than 0.01°C as >> I >> recall. >> > Then there was no gradient. This is fine. You are wrong; there are strong gradients in the liquid. Far greater than 0.01°C. The electrolyte is not mixed, except by electrolysis. - Jed
