A beverage dispenser for dispensing a beverage, a mixing chamber, a source of water, a source of flavor, means for said sources of flavor and water for supplying the same to the mixing chamber to form a batch of beverage, said dispenser having a pump for delivering said flavor to said mixing chamber, said pump being driven by a gear box, said gear box being driven by a pump electric motor, means for measuring electric current of said pump electric motor, the flow rate of delivery of said flavor being approximately proportional to said electric current, and means for discharging the mixed batch of beverage from the dispenser.