BS 2082 1954 Edition, January 25, 1954
Code for disappearing-filament optical pyrometers
Includes all amendments and changes through Amendment 1, January 25, 1954
Additional Comments: W/D NO S/S
Published By:British Standards Institution (BSI)
Principles of accurate optical pyrometry, definitions, theory and design pyrometers. Requirements for accuracy ≠1⁄2 per cent in temperature; lamp, optical system , filters, measuring system. Procedures for calibration and routine checking. Selection and training of operators; statistical assessment of accuracy of observations operators. Special requirements and formulae, tables of spectral emissivities and emissivity corrections.