FIELD: pyrometry, remote measurement of actual temperature of various objects with unknown radiation constant. SUBSTANCE: proposed pyrometer includes lens, obturator disk which has N spectral filters, radiation detector, amplifier, control and computation device. In compliance with invention pyrometer is supplemented with electron switch placed between radiation detector and amplifier and spectral filters of obturator disk are so selected that left length of wave of each next filter starting from second one coincides with right length of wave of finish of preceding one and spectral range of one filter encompasses ranges of all other filters. Obturator is fitted with synchronization pickup connected to control and computation device. EFFECT: provision for remote measurement of actual temperature of various objects with unknown radiation constants by their own radiation, reduced measurement error while taking actual temperature of objects. 1 cl, 1 dwg
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