Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1993-12-01
1995-09-05
Gutierrez, Diego F. F.
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
356 44, 374140, G01K 112, G01K 108, G01J 508
Patent
active
054473730
ABSTRACT:
A light receiving section of an optical pyrometer enables accurate temperature measurement of molten metal with minimum cost. The light receiving section of the optical pyrometer comprises a cylindrical member 1 made of a paper sleeve 2 with a quartz cap 4 sealed to the front end of the paper sleeve 2 using refractory material 3. An open end of the quartz cap 4 is oriented outwardly with respect to the cylindrical member 1 while the closed end 41 of the quartz cap 4 provides a light transmission window for transmitting radiant rays from the molten metal 24 to the optical pyrometer 21.
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