OPTICAL PYROMETER Russian patent published in 2003 - IPC

FIELD: measurement technology. SUBSTANCE: optical pyrometer includes modulator of controlled temperature as source of reference radiation placed in field of vision of radiation detector, temperature- sensitive element, lens, radiation detector and signal processing unit arranged in sequence. Modulator comes in the form of two pairs of identical blades, mobile and immobile, and is installed in front of lens so that mobile blade is constantly in field of vision of radiation detector. Temperature-sensitive element is put on immobile blade of modulator. EFFECT: increased measurement accuracy of temperature. 1 dwg