The role of IR filter
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IR filter from the PC, PMMA material, the appearance of color displayed in black. Such materials can be effective IR filter cut-off visible light and infrared light transmission. The closing rate of the visible range and infrared light transmittance with thickness. Let's us see the role of IR filter.
IR filter is to divide and spread through the electrolyte in the measured gas, electrolysis, measured by the formation of the electrolytic current, we can determine the measured gas concentrations 645nm narrow band filter. Drift: 0.002A / h narrowband filter. Phase microscope, phase difference method is applied microscopy.