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Calibration of tungsten-rhenium thermocouples

  • Thermotechnical Measurements
  • Published:
Measurement Techniques Aims and scope

Conclusions

The method thus developed for calibrating tungsten-rhenium to tungsten-rhenium thermocouples by fusing at their hot junction small quantities of metals, such as silver, copper, nickel, palladium, platinum, and rhodium, and recording the constant fusing temperature on an ÉPP-09 potentiometer, connected to the circuit through an F-17 photoelectric amplifier, is characterized by good reproducibility of calibration results.

It is possible to compute thermocouple emfs in the range of 900–2000°C with deviations not exceeding 0.3% of the measured temperature by means of an interpolation formula derived from experimental data.

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Literature cited

  1. H. S. Roberts, Phys. Rev.,23, No. 3 (1924).

  2. B. L. Bragin, Izmerit. tekh., No. 12 (1960).

  3. “Bu computer”, Electronic and Radio Engineer, No. 4 (1957).

  4. N. N. Ergardt, Izmerit. tekh., No. 6 (1957).

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Authors
  1. G. B. Lapp
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  2. D. I. Popova
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Lapp, G.B., Popova, D.I. Calibration of tungsten-rhenium thermocouples. Meas Tech 6, 847–849 (1963). https://doi.org/10.1007/BF00991198

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  • DOI: https://doi.org/10.1007/BF00991198

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