Dispensing device and probe state checking method

Abstract

An object of the invention is to provide a dispensing device and a probe state checking method capable of grasping an appropriate replacement time of a probe while reducing a decrease in dispensing accuracy. Therefore, according to the invention, in a dispensing device including: a probe configured to aspirate and eject a liquid; a sensor configured to detect contact of a tip of the probe; a drive unit configured to drive the probe in an up-down direction; and a control unit configured to control the drive unit, the control unit performs a checking operation of checking a change in a length of the probe by lowering the probe by the drive unit until contact with a predetermined reference surface forming a part of the dispensing device is detected.

Dependencies are inferred from the claim text.