Full-channel-width flow meter

The utility model provides a full-channel-width flow meter which comprises a flow meter box body, a front opening convenient for liquid to flow in is fixedly arranged at the front end of the flow meter box body, and a rear opening is fixedly arranged at the rear end of the flow meter box body; a controller and a data processing module are arranged in the control box, the controller is electrically connected with the data processing module, and the control box is fixedly arranged at the upper end of the flow meter box body; the liquid level sensors are sequentially arranged on the inner wall of the flow meter box body, and the liquid level sensors are electrically connected with a data processing module in the control box; the flow velocity sensors are sequentially arranged at the bottom of the flow meter box body, and the flow velocity sensors are electrically connected with a data processing module in the control box; and the excitation module is electrically connected with the controller ...