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AW9 Series Ultra-Fast Checkweighers

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AW9 Series Ultra-Fast Checkweighers

Engineered for high-volume manufacturing lines, the AW9 Series Ultra-Fast Checkweigher increases throughput for lightweight packaged goods. Combining a digital force balance scale with a highly rigid center-balance construction, it delivers reliable weight inspection at elevated production speeds without compromising measurement accuracy.

aw9 speed check weigher


Core Technologies and Features

  • High processing throughput: Capable of inspecting up to 1,000 products per minute, addressing the structural demands of fast-paced packaging environments that handle lightweight items.
  • Digital force balance scale: Incorporates a modified weighing module that provides detailed measurements with a maximum accuracy of ±0.006 g, maintaining consistency even at peak conveyor speeds.
  • Advanced vibration compensation: Utilizes digitized control to isolate and filter the specific vibration characteristics of the individual weighing conveyor, resulting in stable and precise weight readings.
  • Isolated frame architecture: Designed based on detailed physical simulations, the reinforced frame isolates the weighing scale on an independent base. This physically minimizes interference from both internal machine operations and external line vibrations.
  • High-speed air-blast rejector: Supplied as a standard feature, this fast-acting reject mechanism sorts non-conforming items accurately at 1,000 ppm. It incorporates a secondary sensor to monitor product position on the rejection belt, automatically adjusting ejection timing if an item shifts during transfer.

Application Focus: High-Speed Lightweight Packaging

The AW9 Ultra-Fast series is tailored for relatively small, lightweight packages where standard dynamic weighing systems traditionally encounter stability challenges at extreme speeds. By physically isolating the scale from ambient vibrations and applying dynamic digital filtering to the readings, the system sustains continuous operation and dependable quality control on packaging lines reaching up to 1,000 items per minute.

center balance layout


Technical Specifications

The AW9 Series provides several conveyor dimensions to accommodate various product footprints and process requirements.

Specification KWA7241APANN KWA7242APANN KWA7243APANN KWA7244APANN KWA7245APANN
Weighing conveyor size (W × L) 70 × 100 mm 100 × 120 mm 100 × 150 mm 100 × 200 mm 100 × 270 mm
Maximum processing speed* 1,000 products/min 900 products/min 720 products/min 540 products/min 400 products/min
Conveyor speed 10 to 110 m/min 10 to 132 m/min 10 to 165 m/min 10 to 180 m/min 10 to 180 m/min
Weighing range** 1.2 to 660 g
Scale interval 0.002 g
Maximum accuracy (3σ)* ±0.006 g

* Operating speeds and inspection accuracy depend on the physical characteristics of the products being weighed and the rejection mechanism employed.
** The maximum product weight that can be safely discharged by the rejector varies based on the current production speed. Contact NordSystems for precise line configuration.

digitalization of scale signals


Model Configuration & Integration

  • Conveyor sizing: Five distinct model variations allow for optimized conveyor dimensions (ranging from 70 to 100 mm in width and 100 to 270 mm in length) based on specific package footprints.
  • Reject timing correction: The equipment utilizes continuous product tracking across the transition points, ensuring precise air-blast rejection even if the product position fluctuates between conveyor segments.

air jet sorting

Piegādā NordSystems: We provide full assistance with equipment selection, production line integration, rejector synchronization, operator training, and ongoing technical support to maintain equipment reliability.


Ready to optimize your high-speed checkweighing process? Contact NordSystems SIA for technical consultations, product sample testing, and custom equipment layouts designed for your specific facility requirements.