A device for setting various operational parameters of combination weighing machine, such as target weight, speed of operation, name of product, allowable range of weight, hopper gate opening time and feed conveyor operation time. In this device, it is only necessary to manually register some independent...http://www.google.co.uk/patents/US4967383?utm_source=gb-gplus-sharePatent US4967383 - Operational condition setting device for combination weighing machine
