FIELD: optical atmospheric research.
SUBSTANCE: device has radiation source, diaphragm, optic focusing system on first measuring base. On second measuring base signals processing block on basis of amplifier is positioned as well as block of control indicator of carbon monoxide concentration, photo-detectors row, two computers, threshold voltage source and voltage source for setting observer angle, four voltage amplifiers, temperature sensors for lower and upper surface-adjacent atmosphere layer, atmospheric pressure detector. Elements of device on first measuring base are jointly positioned at platform on first holding post at fixed height. By means of platform under effect from voltage source it is possible to change observer angle within 85-89 degrees relatively to second measuring base.
EFFECT: higher reliability.
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