Pipeline volume error checking device and method

The invention provides a pipeline volume error checking device and method, and relates to the technical field of equipment checking, the pipeline volume error checking device comprises a main controller, a plurality of control keys, at least two liquid transfer pumps and a contrast pipeline; each control key is connected with the main controller, different control keys correspond to different inspection modes, and the liquid transfer times and/or single liquid transfer volumes are different in different inspection modes; each pipetting pump is connected with the main controller, and the main controller is used for controlling the work of each pipetting pump according to the inspection mode corresponding to the control key; the inner diameter of the contrast pipeline is equal to the calibrated inner diameter of the to-be-detected pipeline, the contrast pipeline and the to-be-detected pipeline are respectively connected with the pipetting pumps in a one-to-one correspondence manner, and each pipetting pump is u