Low-cost calibration system for multiple air quality monitoring sensors
A technology for monitoring sensors and air quality, applied in the field of calibration systems, can solve problems such as uniformity and stability that are not mentioned, and achieve the effects of lowering the threshold, promoting in-depth discussion and research, and reducing costs
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[0065] A low-cost multi-air quality monitoring sensor calibration system of the present invention will be described in detail below in combination with embodiments and drawings.
[0066] Such as figure 1 As shown, a low-cost multi-air quality monitoring sensor calibration system of the present invention includes: a cabinet 1 for providing a set concentration of polluting gas and controlling the wind speed of the calibration gas, which is arranged on the upper end of the cabinet 1 and the cabinet 1 is communicated with the calibration cabin body 2 provided with the calibrated sensor 7, and the static pressure tank 3 that is connected to the upper end of the calibration cabin body 2 through the first flange 9 and communicated with it, and the calibration cabin body 2 is connected with the calibration cabin body 2. The channel between the plenums 3 is provided with a stainless steel flow equalizing screen 10 for achieving uniform air flow. The plenum box 3 is provided with a flo...
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