Data acquisition tester for miniature photovoltaic system

The utility model relates to a solar photovoltaic system, in particular to a data acquisition tester for a miniature photovoltaic system. A sensor is connected with the input end of a transmitter through a sensor terminal board; the output end of the transmitter is connected with the input end of a signal conditioning board; the output end of the signal conditioning board is connected with the input end of a filter; the output end of the filter is connected with a microporocessor control board; the output end of the microporocessor control board is connected with a SD card interface board; andthe output end of the microporocessor control board is connected with an upper computer and also connected with a display. The utility model has the advantages of small equipment volume, low cost, light weight, convenient and simple use, no area and condition restriction, no additional power source and flexible and convenient use and can test the efficiency of the photovoltaic system.