Dew-point instrument

The utility model relates to the technical field of dew point temperature detection, in particular to a dew point instrument which comprises an instrument body, a handle is fixedly connected to the upper portion of the instrument body, a sealing assembly is arranged on the outer side of an air connecting opening in a sleeved mode, and a reinforcing assembly is arranged on the sealing assembly. The instrument body can be controlled through the touch display screen and the knob, and the instrument body is used in various severe environments for a long time, so that the gas connecting port can be sealed and protected through the sealing assembly when the instrument body is not used, and on one hand, the gas connecting port can be prevented from being collided by the outside as much as possible; on the other hand, external dust and impurities can be prevented from entering the air connection port to influence the purity, and the measurement precision is improved. 本实用新型涉及露点温度检测技术领域，尤其是一种露点仪，包括仪器本体，仪器本体的上方固定连接有把手，接