Portable soil moisture measuring instrument based on FDS100

The invention discloses a portable soil moisture measuring instrument based on FDS100. The portable soil moisture measuring instrument comprises a moisture sensor body, a data collector, a connectingwire, a probe, a sensor shell, a processing mainboard, a data transmission interface, a power interface, a display screen, a fixing clamping groove, a connecting base, an outer rod, an inner rod, a fastening bolt and a handle. The portable soil moisture measuring instrument has the advantages that three probes are arranged in parallel at equal intervals, so that the situation that a moisture sensor body 1 is stably inserted into a monitoring point, is guaranteed, and meanwhile multiple pieces of measurement data can be obtained; a special matched soil drill is arranged for drilling soil, and the used matched soil drill is provided with scales, so that monitoring point hole sites with different depths can be drilled, and the moisture sensor body can be conveniently inserted for monitoring;and a matched inserting to