FIELD: machine building.
SUBSTANCE: present invention relates to pump unit (1) for transportation of liquid, in particular for transportation of waste water or water for technical purposes, wherein pump unit (1) comprises pump housing (3) and impeller (4) installed in pump housing (3) with possibility of rotation around axis (A) for transportation of liquid.
EFFECT: present invention is characterized by the fact that there is at least one sensor (7), in particular, 3D sensor for monitoring the surface of the impeller, wherein the at least one sensor is placed on the pump housing and/or in it.
14 cl, 3 dwg
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