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