<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div>>As to why the designer chose that particular part, I can't guess! I can <br><div dir="ltr">only imagine that its operating temperature was in the right range for <br></div><div dir="ltr">the application (I suppose the coffee-roasting temperature doesn't <br></div><div dir="ltr">exceed 150 C?) and provided a useful signal when connected as described.<br></div><div dir="ltr"><div><br></div><div><br></div><div>Huh. Thanks for the information. According to this instructable: <a href="https://www.instructables.com/id/Build-a-Controllable-Coffee-Roaster-from-an-Air-Po/#step0" rel="nofollow" target="_blank">https://www.instructables.com/id/Build-a-Controllable-Coffee-Roaster-from-an-Air-Po/#step0</a></div><div><br></div><div>I need a sensor that works between 150 C - 210 C, like this: <a href="https://www.adafruit.com/product/3245" rel="nofollow" target="_blank">https://www.adafruit.com/product/3245</a></div><div><br></div><div>Thanks</div><div><br></div><div>Craig</div></div></div><div id="ydpd6e80c14yahoo_quoted_0709725734" class="ydpd6e80c14yahoo_quoted"><div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
</div>
</div></div></body></html>