[time-nuts] Low CostTemperature sensor

[Jason Ball]

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 <bill.iaxs at pobox.com> 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:time-nuts-bounces at febo.com] On Behalf Of Perry
> Sandeen via time-nuts
> Sent: Monday, January 16, 2017 9:33 PM
> To: time-nuts at febo.com
> 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
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