Indoor air quality analyzer

The utility model is applicable to the technical field of formaldehyde detection, and provides an indoor air quality analyzer, which comprises a casing, an air inlet device, a water bath box, a beaker, a valve, a water pump and a formaldehyde sensor, an air suction pump is arranged in the air inlet device, and the air suction pump sucks air through an air inlet pipe, so that gas containing formaldehyde can enter conveniently, the sampling precision is improved, and the sampling cost is reduced. The use is more convenient; meanwhile, the water bath box is installed in the machine shell and filled with heating water, the beaker can be heated, the beaker is connected with the gas inlet device through a pipeline, then gas can enter the beaker conveniently, a detection reagent is injected through an injection opening in the machine shell, the detection reagent and formaldehyde gas are mixed in the beaker, the temperature in the beaker is increased through the water bath box, and then the detection precision is imp