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n.1.An instrument for ascertaining the amount of ozone in the atmosphere, or in any gaseous mixture.
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The difference in data of Kaunas Meteorological Station and other investigated countries can be explained as inaccuracy of measuring ozonometer, impact of meteorological conditions on performed measurements, mistakes of a worker performing measurements, and etc.
Comparison of the New Filter Ozonometer Microtops II with Dobson and Brewer Spectrometers at Hohenpeissenberg, Geophysical Research Letters 26(10): 1385-1388.
TOPS, an inexpensive, hand-held ozonometer, is used by weather observers and meteorologists to monitor total ozone and solar ultraviolet-B levels contained in a specific segment of the atmosphere.