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Ultraviolet photometer for ozone concentration measurements

机译:紫外线光度计,用于臭氧浓度测量

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Abstract: There are several types of instruments that enable us to measure the ozone content in different conditions (in the outdoors, in moving platforms, in industrial buildings, etc.). They operate on the basis of different physical and chemical processes and have different values of parameters such as sensitivity, accuracy, response time, etc. The model of photometer for measuring the ozone concentration is described below. The instrument acts due to selective absorption of UV-radiation by ozone molecule. The distinguishing peculiarity of this device is the use of radioluminescent source (RLS) with very high long-term temporal emission stability instead of the generally used unstable mercury lamp. The RLS emission power is 3 $DOT 10$+11$/ quantum/s. Three subsystems (optical, gas-flow, and electronic) making up this photometer are described in detail. The approximate estimates of photometer threshold sensitivity and accuracy are made and the possible means for improving these parameters are outlined. !4
机译:摘要:有几种类型的仪器使我们能够测量不同条件下(室外,移动平台,工业建筑等)中的臭氧含量。它们根据不同的物理和化学过程进行操作,并具有不同的参数值,例如灵敏度,准确度,响应时间等。下面介绍用于测量臭氧浓度的光度计模型。该仪器的作用是由于臭氧分子选择性吸收了紫外线辐射。该设备的独特之处在于它使用了具有很高的长期时间发射稳定性的放射源(RLS),而不是通常使用的不稳定汞灯。 RLS的发射功率为3 $ DOT 10 $ + 11 $ / quant / s。详细描述了组成该光度计的三个子系统(光学,气流和电子)。进行了光度计阈值灵敏度和准确性的近似估计,并概述了改善这些参数的可能方法。 !4

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