▎ 摘　　要

NOVELTY - This utility model is claims a precise sampler, comprising a graphene storage, a depth sensor, a weight sensor and a hand pressing rod, the lower part of the hand rod is equipped with sleeve, the inside of the sleeve is equipped with the embedded pipe. the top of the insert pipe is installed with soil-handle, the handle is equipped with liquid crystal display screen is embedded, the graphene storage battery is embedded in the embedded tube, the lower part of the embedded pipe is equipped with fetching head; said weight sensor is embedded at the bottom of the absorbing head; the outer ring of the sleeve is mounted with a foot pedal. This utility model is convenient for carrying outdoors and later maintenance cleaning, built-in graphene battery, small volume, light weight, long endurance time, this utility model is equipped with a pedal, convenient application; the cutter head is provided with a depth sensor for precisely soil depth, soil sampling head is provided with a weight sensor for precisely soil weight, improve the accuracy of the experiment data.