I must be getting old. It was a precision thermistor I ended up using. But precision thermistors are pretty good from what I recall, especially in glass bead packaging. -marc On 10/19/10, Sean Breheny wrote: > What kind of RTDs are you talking about? I thought most RTDs were made > from platinum wire and were MORE expensive than thermocouples, and > even more accurate and repeatable. One site I just looked at listed > P100 RTDs at about twice the cost of K-type thermocouples. Are you > talking about NTC thermistors? > > Sean > > > On Tue, Oct 19, 2010 at 3:17 PM, alan smith wrote: >> thanks for the responses...i've forwarded these sites to my client for h= is >> review. =A0When you said you have had better luck with RTD's over >> thermocouples, can you explain what your experiences were? =A0RTD's are >> generally less expensive, but are they as stable as a thermocouple? >> >> >> >> -- >> http://www.piclist.com PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 Sent from my mobile device --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .