Manufacturer


Buss voltage 3.33 volts






Part Number


Bias resistor 46400 1% fixed resistor




















Steinhart Hart equation coefficient from manufacturer


Curve fit equation based on manufacturer data








A -0.002177814368

Bias voltage is 3.3 volts
ballast resistor is 46400 ohms





B 0.0007483312715

A -19.4463739523182







C -1.741361894E-06

B 70.3116351085273









C -110.897388169155











D 70.0397307345167




















T=A*X^3+B*X^2+C*X+D



















Measured data from manufacturer

Calculated Temperature using Steinhard hard

Calculated Temperature based on curve fitted






Resistance
Degree f LN( R) T
Divider volt Calculate VM






Degree C

in degree C Error using Hard steinhard

Error using curve fit




32773.01 0 32 10.3973605897786 1.15692778909147 -1.157 1.37842584613115 -0.159703932803382 0.160




29593.32 2 35.6 10.2953039391679 2.61683693325512 -0.617 1.29676865808732 2.06226181632937 -0.062




26757.56 4 39.2 10.194572329218 4.15757370061095 -0.158 1.21795580388411 4.1385866395495 -0.139




24224.95 6 42.8 10.0951383727734 5.777888606641 0.222 1.14221792015428 6.12450625039521 -0.125




21959.92 8 46.4 9.99697425262958 7.47673234428567 0.523 1.06972819160701 8.06407215301265 -0.064




19931.45 10 50 9.90005416520159 9.25320371927808 0.747 1.00060723080831 9.9902332910949 0.010




18112.41 12 53.6 9.80435261767249 11.106566202591 0.893 0.934925935955578 11.9256414676125 0.074




16479.03 14 57.2 9.70984394250789 13.0362505902066 0.964 0.872710184937649 13.8838716765383 0.116




15010.5 16 60.8 9.61650523519862 15.0417864259509 0.958 0.813948184756679 15.8708200260253 0.129




13688.52 18 64.4 9.52431280433028 17.1228652013935 0.877 0.758593681455293 17.8863230053813 0.114




12497 20 68 9.43324389448578 19.2792996494377 0.721 0.706572660746727 19.9256319438913 0.074




11421.77 22 71.6 9.34327646244353 21.511021770859 0.489 0.657788478284217 21.9808018380688 0.019




10450.34 24 75.2 9.25438979274884 23.8180606365752 0.182 0.612127072590947 24.0418823338843 -0.042




9571.66 26 78.8 9.16656192812996 26.2006046082599 -0.201 0.569460112492644 26.0979787203969 -0.098




8775.97 28 82.4 9.07977258353537 28.6589237521325 -0.659 0.529650500027458 28.1379780058042 -0.138




8054.64 30 86 8.99400360187489 31.1933459287472 -1.193 0.492555844644276 30.1511346342021 -0.151




7400 32 89.6 8.90923527919226 33.8043592183661 -1.804 0.458029739776952 32.1275798928363 -0.128




6805.23 34 93.2 8.82544671319185 36.4926108720219 -2.493 0.425924592375599 34.0585860860515 -0.059




6264.31 36 96.8 8.74262372559041 39.2586467443431 -3.259 0.396096565207063 35.9365369621671 0.063




5771.84 38 100.4 8.66074619948184 42.1033164117338 -4.103 0.368402325852414 37.7552771895658 0.245