Water level and rainfall monitoring device and monitoring system

The utility model relates to the technical field of measurement, in particular to a water level and rainfall monitoring device and a monitoring system. The water level and rainfall monitoring device provided by the utility model comprises a piezoelectric rain gauge device and a water level sensor, and the piezoelectric rain gauge device comprises a piezoelectric sensor used for detecting rainfall information, a main controller connected with the piezoelectric sensor, and a communication unit connected with the main controller. The communication unit is used for transmitting the rainfall information to the data processing and analyzing system; the water level sensor is connected with the main controller, the water level sensor is used for transmitting signals to the main controller, and the water level sensor comprises a piezoresistive water level gauge, a radar water level gauge, an ultrasonic water level gauge and a laser liquid level gauge. According to the utility model, the piezoelectric rain gauge device