Sensors for chemistry work

Need sensor for measuring CO, NH3, NO2, and SO3 integrated into one.
Any suggestion?

prince12816 the thing that you want may resemble with this product
https://www.indiamart.com/proddetail/advanced-gas-detectors-o2-h2s-co-nh3-so2-cl2-no2-ph3-hcn-7946609748.html

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