Both catch weighers and check weighers are used to weigh items/ products while in motion (while they are moving, in a continuous fashion and usually without stopping). Often referred to as "in line" weighers, these devices are typically found and used in conveyor driven systems, and are often found in food processing/ packing/grading applications. Almost all models are available in wash down type finishes of stainless steel or aluminium (or a combination of both). For either type of in line weigher the weighing mechanism itself is the same - both systems rely on high precision, high speed (response time) load cells with mounting assemblies designed to cope with the stresses involved with moving conveyors and dynamic weighing. The real difference is found in the weigh controller used and the type of operation performed by the weigher. The weigh bed (usually a food grade endless type belt) can vary greatly in length and width depending on the application requirements, and as a result most catchweighers and Checkweighers are made to order.
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