Be used for utility tunnel based on total line type temperature wetness monitoring device of RS485

The utility model relates to a temperature and humidity measurement field especially relates to a be used for utility tunnel based on total line type temperature wetness monitoring device of RS485. The utility model has the advantages of the interference killing feature is strong, and material cost and construction cost are lower, owing to adopt RS485 communication interface, can effectively restrain the electromagnetic interference who comes from interior other the forceful electric power circuits of piping lane.