That article has a major error. Anyone know what it is?
----- Original Message -----
From: "Jason Ball" <[email protected]>
To: "Discussion of precise time and frequency measurement"
<[email protected]>
Cc: "Perry Sandeen" <[email protected]>
Sent: Tuesday, January 17, 2017 1:11 AM
Subject: Re: [time-nuts] Low CostTemperature sensor
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
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