Method and apparatus for measuring emissivity

Details Method and apparatus for measuring emissivity Method and apparatus for measuring emissivity

1980-12-16

1983-10-11

McGraw, Vincent P.

Optics: measuring and testing

Optical pyrometers

374 9, 374126, G01J 504, G01J 510

Patent

active

044088787

ABSTRACT:
A sensor unit comprising two pyrometers arranged in respective chambers disposed side-by-side and open at one end, one chamber being substantially totally reflecting and the other substantially totally absorbing. Periodically, the unit is advanced to the immediate proximity of the product, the signals from the pyrometers are received after the response time of the pyrometers has elapsed, and then the unit is withdrawn to its initial position. The signals from the pyrometers are processed so as to provide a signal representing the emissivity of the product.

REFERENCES:
patent: 2576514 (1951-11-01), Bianco et al.

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