Technical Note:Curve fitting, for: {T} type thermocouple {Copper-constamtine}


Sardar Zewar





Abstract
  An empirical formula has been obtained mathematically to be used in determination of temperature, which is dtermined from the thermocouple output for (T) type (Copper - Constantan).

References:
1- T.F. Wall Electrition (16th marh 1928). The peltier effect.
2- E. W. Golding & F. C. Widis, Electrical measurement, p 532-3 (University College Notingham 1933).
3- Natl. Bur. Standards. U.S.J. Research, Research paper 1080, vol.20, p337, 1938 and table 1 of J. Research Natl. Bur. Standards Research paper 1939 Vol. 25 p 459, 1940.
3a- Instrument society of America (I.S.A) Pr 1.3, Thermocouples and thermocouple extension Wires, Terminology, limits of error, wire size 1952.
4- Germany Bureau of standards (DIN 43710). Sep. 1977, Sep. 1981.
5- Asea journal Vol. No.. 6. (1929), the measurement of the temperature by thermocouple.
6- B.S. 1041: 1943 and B. S. 1827 (1952). Code for temperature measurements.
7- (London H. M. S. O. 1950). The international temperature scale of 1948.
8- Honewell conversion tables IPTS 68, section 921 - 3 , p15 - 38, copyright (1967, 1969, 1973).
9- R. S. Whipple (Aug. 1913) Modern methods of measuring temperature.
10- Hartman and Braun measuring technique in the process. Permissible deviation from the standard values forthermocouple literature (DIN 43710), Edition Sep. 1977, Technology technical T. C. 09. 1981, p 214.
11- Hartman and Braun measuring technique in the process. Technology technical T. C. 1981, p 217, Standard materials and color codes for compensating cables of thermocouples.