
PChemLabTXT | page 586 | https://thedailydialectics.com/pdfs/education/chemistry/p-chem/PChemLabTXT/PChemLabTXT.pdf
ic Confirming Pages Thermometers 575 The optical pyrometer is essentially a photometer that measures the radiation inten- sity in a given wavelength interval. We shall here consider only the most common type of optical pyrometer, the disappearing-filament type. The object whose temperature is to be…