How gases present in the environment affect OBA mirror surfaces at indoor swimming pool facilities.
●Corrosive environments could be problematic for all different kinds of devices. At indoor swimming pool facilities there could be formation of various kinds of gases, corrosive or not, due to formation of disinfection by-products. Disinfection is essential for keeping the swimming pool water hygienic and the most common way to achieve this is by using sodium hypochlorite (NaClO). When NaClO is used for disinfection, the main gaseous by-products formed are chlorine gas, chloroform and trichloramine.
●SenseAirs gas measurement devices could be affected by the corrosive environment at indoor swimming pool facilities, where foremost chlorine gas is the one expected to be the most problematic gas that could affect the mirror surfaces inside the OBA (Optical Bench Assembly) modules.
●OBA modules were exposed to chlorine gas and analyzed by SEM (scanning electron microscopy) and IR (infrared spectroscopy) measurements. Two out of three kinds of modules tested seemed to handle the corrosive environment god enough to still be functioning at an acceptable level.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2012-01-05 |
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Revised version: 2012-01-05 |
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1.3 MB |
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