Alan B. Pearce wrote: >>> Temperature is very high around 80-90 degree celcius >>> >> That's going to be quite punishing on electronics. Is this a >> situation where a Peltier could be used ? >> > > Sounds like he is setting out to make a positioning system for use in a > steel works or similar where a train needs to position crucible hoppers > under a furnace outlet. > > You will have trouble with reliability at 90C. I'd start off by trying to get the environment below 50C before I'd do anything else. Water cooling, etc whatever. This reminds me of downhole (oil drilling) instruments, THEY have to operate at 90C. But its a very costly set of instruments. --Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist