What Is a Dynamic Check Weigher (Online Check Weigher)?
Dynamic check weighers (also called online check weighers) are automated quality control systems that weigh products in real time as they move along production or packaging lines.
Their core role is to detect underweight or overweight items—critical for avoiding costly production errors, regulatory non-compliance fines, and customer dissatisfaction.
Widely used in food, pharmaceutical, and consumer goods sectors, these machines integrate seamlessly with other packaging equipment (like vibratory bowls packing machine or multihead weigher packing machine to maintain line efficiency while upholding accuracy standards.
How Dynamic Check Weighers Work?
Infeed Conveyor: Products enter the system on a conveyor belt, spaced appropriately to avoid interference.
Weighing Section: As items pass over a load cell-equipped belt, the machine captures their weight dynamically, accounting for motion and vibrations for accurate readings.
Classification and Rejection: Software compares the measured weight against tolerances. Underweight or overweight items trigger reject mechanisms, such as pushers or air blasts, diverting them to a separate area.
Data Logging: Integrated systems record weights for quality control, trend analysis, and reporting.
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