Even cheaper... Diiode as a cheap sensor ? https://www.arrow.com/en/research-and-events/articles/using-a-simple-diode-as-a-ballpark-temperature-sensor
On Tue, Jan 17, 2017 at 4:16 PM, Bill Hawkins <[email protected]> wrote: > Perrier, > > Google finds a Siemens NI1000 sensor that follows the nickel curve. > Nickel is popular in industrial control for cost, but not as accurate as > platinum. Converting the platinum curve to accurate temperatures > requires a second order equation, but has been done with 0.1% analog > converters. > > Digi-key has ZNI devices as surface mount parts. Sparse data said > nothing about a platinum curve. > > I'm curious because my former employer did very well selling platinum > RTD sensors, usually 100 ohms at the triple point. > > Bill Hawkins > > > -----Original Message----- > From: time-nuts [mailto:[email protected]] On Behalf Of Perry > Sandeen via time-nuts > Sent: Monday, January 16, 2017 9:33 PM > To: [email protected] > Subject: [time-nuts] Low CostTemperature sensor > > List, > A while back there was much discussion about temperature sensors. > One simple inexpensive one to consider would be the ZNI1000Temperature > sensor. > It's 1K ohms at 0C and it replicates the temperature curve of the Pt 1K > ohm sensors. > It's about $3 from Digi-Key. > FWIW YMMY > Regards, > Perrier > _______________________________________________ > time-nuts mailing list -- [email protected] To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > -- -- Teach your kids Science, or somebody else will :/ [email protected] [email protected] <[email protected]> callsign: vk2vjb _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
