High accuracy liquid sampler

The utility model relates to a high accuracy liquid sampler. Its technical scheme is: including the probe, silicon rubber washer, a screw rod, a fixing device, micrometer frame, fixed scale rod, the scale knob, the rubber return bend, the fluid -discharge tube, left side at fixed scale rod is equipped with micrometer frame, be equipped with fixing device on micrometer frame, be connected with thescrew rod on fixing device, the left end of screw rod is equipped with silicon rubber washer, be equipped with the scale knob on fixed scale rod, probe fixing is on movable adjust knob, the one end ofprobe runs through screw rod and silicon rubber washer, the rubber return bend is connected to the other end of probe, the flowing back pipe is connected to the rubber return bend. The beneficial effects of the utility model are that: can accurately read the position that obtains the sample thief, the precision reaches thousand fens positions, can be applicable to the environment higher to the required precision, and liqu