The utility model relates to a ship unloaders measurement mode control device, including grab bucket, weighing hopper, metering device, blowing fill, controller, central controller, the weighing hopper is equipped with the sluice gate, and metering device establishes in the weighing hopper below and is equipped with main balance and vice balance, and main balance is established in the weighing hopper below, and vice balance and weighing hopper contactless are equipped with the standard test weight above that, and main balance is fixed on the bottom plate with vice balance side by side, and grab bucket, sluice gate, metering device, controller link to each other through circuit and central controller respectively, and grab bucket, sluice gate link to each other through circuit and controller respectively. The utility model discloses utilize ship unloaders itself to carry out the weighing and divide into measurement mode and non - measurement mode to the mode of unloading through controller and central controller the material, improved measuring accuracy and work efficiency, also realized the the effective management of of enterprise.