Portable multi-parameter measurer

The utility model discloses a portable multi-parameter measurer, which relates to the technical field of an air measuring device and comprises a shell component, wherein a circuit board and a battery are arranged in the shell component; the circuit board is connected with the battery by a conducting rod; the portable multi-parameter measurer is characterized in that the shell component is provided with an observation window at the upper end of the front surface thereof; buttons are arranged below the observation window; and the shell component is provided with a back clamp on the back surface thereof. The portable multi-parameter measurer disclosed by the utility model adopts an intelligent, multi-functional and subminiature digital measuring instrument designed with a high-performance controller and novel electronic elements, thereby integrating the advantages of small size, light weight, full function, simplicity, ease of use, and the like, so the portable multi-parameter measurer is mainly suitable for mea