Multi-channel pipettor and multi-channel pipettor with base

The utility model discloses a multi-channel pipettor and a multi-channel pipettor with a base, the multi-channel pipettor comprises a pipettor main body used for controlling the pipetting of liquid, the bottom end of the pipettor main body is detachably connected to a cylindrical or circular-truncated-cone-shaped connecting piece in a sealed manner, and the pipettor main body is provided with a plurality of pipettors. A connecting piece made of high-temperature-resistant materials internally comprises a main pipe capable of being communicated with the pipettor body and branch pipes communicated with the main pipe, at least two rows of connecting piece through holes which are in one-to-one correspondence with the branch pipes and allow the branch pipes to penetrate through are formed in thebottom face of the connecting piece, and each branch pipe is detachably connected with a suction head in a sealed mode. The multi-channel pipettor with the base comprises the base, and the upper surface of the base is provid