| 摘要 |
<p>The electrical dosing apparatus comprises a motor (1) having an electrical drive (7), at least one displacing device (2) operated by the motor (1) to pipette liquid and an electrical controlling- and/or regulating device for the motor (7) having a converter (17). The electrical controlling- and/or regulating device converts a supply voltage delivered from an electrical source (24) to a supply voltage predetermined on the load of the motor (1) in the height for the drive (7).</p> |
