Abstract：This paper mainly introduces how to use various functions of digital multimeter to quickly determine and check the common faults of DZZ3 regional automatic weather station,including power supply system fault,temperature,humidity,wind direction,wind speed,rainfall and other sensor faults.According to the method and process introduced in this paper,the fault can be timely and accurately judged,which can improve the maintenance efficiency,reduce the error rate of observation data and provide references for the maintenance personnel of the station.
2020, Vol. 37 
