Type T

Type T Thermocouple

Type T Thermocouple
Data and Polynomial


  • Description
    Cu / Cu-Ni
  • Data source
    National Institute of Science and Technology (NIST)
  • Raw Data
  • Octave format
  • Curve fit
    • mV -> temperature (C)
      e is maximum error (in degrees C)
      v1 andf v2 partition the domain into three segments, each with a polynomial fit
      c is vector of coefficients: a10, a9, ... a0
      Note: Each column of c corresponds to one range (<v1,v1 to v2, >v2)

      e = 0.26247

      v1 = -1.7850

      v2 = 2.5560

      c =

         -8.5687e-02    1.5143e-04  
      -5.4487e-11

         -3.3559e+00    3.3541e-05   
      6.4923e-09

         -5.8195e+01   -3.7206e-03   -3.3847e-07

         -5.8795e+02    3.2654e-03   
      1.0239e-05

         -3.8295e+03    2.2672e-02  
      -2.0117e-04

         -1.6790e+04   -2.2290e-02   
      2.7236e-03

         -5.0151e+04   -6.9454e-02   -2.6371e-02

         -1.0070e+05    1.1688e-01   
      1.9264e-01

         -1.3004e+05   -6.7161e-01   -1.3081e+00

         -9.7452e+04    2.5826e+01  
      2.7040e+01

         -3.2203e+04   -2.4547e-03   -9.0066e-01







      type_t mV->C
    • temperature -> mV (range -127C-127C)
      e is maximum error (in mV)
      c is vector of coefficients: a10, a9, ... a0

      e = 0.00088971

      c =

         -1.1498e-22

          7.1847e-21

          5.3169e-18

         -2.8841e-16

         -9.5145e-14

          4.0271e-12

          8.6066e-10

         -5.7469e-08

          4.1754e-05

          3.8675e-02

         -2.5313e-04





      type_t temperature->mV curve fit

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