Robert A LaBudde wrote: > Ideally, all of your cold junction connections should be mounted > insulated on a heat sink to keep them all at the same temperature. And ideally the temp sensor for the cold junction compensation is mounted to that same heat sink. Gerhard -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist