Coefficients for Selected Thermistors
Equation solving for R:
R = exp[B(0 )+ B(1)/T + B(2)/T^2 + B(3)/T^3]
R in ohms
T in °K (°K = °C + 273.15)
YSI 44004 and equivalents:
B(0) = -6.54405549E0
B(1) = 4.43248528E03
B(2) = 0
B(3) = -1.59812374E7
YSI 44016 and equivalents:
B(0) = -5.01319659E0
B(1) = 4.41351746E03
B(2) = 0
B(3) = -1.53580067E7
Equation solving for T:
1/T = a + b(Ln R) + c(Ln R)^3
R in ohms
T in °K (°K = °C + 273.15)
YSI 44004 and equivalents:
a = 0.001479818
b = 0.000235729
c = 0.000000118
YSI 44016 and equivalents:
a = 0.001135163
b = 0.000233005
c = 0.000000093
For additional information see: www.AdvIndSys.com/ApplicationsNotes.htm