Mettler Toledo C31 Checkweigher

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Affordable checkweigher ideally suited to replace spot checks with 100% inline weight control. The easy to use system offers reliable performance for food and non-food applications in dry and wet environments.

Improve product quality, ensure compliance, and eliminate costly giveaway with the Mettler Toledo C31 Checkweigher. Designed for small to mid-sized production environments, this in-motion checkweighing system delivers precise, reliable weight control at high speeds—making it an ideal solution for food, packaging, and manufacturing applications.

The C31 replaces manual spot checks with 100% inline weight inspection, allowing you to detect underweight or overweight products in real time. With throughput of up to 200 packages per minute and weighing ranges from 20 g to 6 kg, it provides the performance needed to maintain consistency without slowing production.

Built with a compact, modular design, the system integrates easily into existing production lines and can scale as your operation grows. Its rugged construction minimizes vibration for stable, accurate weighing, even in demanding industrial environments.

An intuitive touchscreen interface simplifies operation, while advanced connectivity and reporting tools support compliance, data tracking, and Industry 4.0 integration.

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Mettler Toledo C31 Checkweigher

Reliable, High-Speed Checkweighing for Accurate Quality Control

Improve product quality, ensure compliance, and eliminate costly giveaway with the Mettler Toledo C31 Checkweigher. Designed for small to mid-sized production environments, this in-motion checkweighing system delivers precise, reliable weight control at high speeds—making it an ideal solution for food, packaging, and manufacturing applications.

The C31 replaces manual spot checks with 100% inline weight inspection, allowing you to detect underweight or overweight products in real time. With throughput of up to 200 packages per minute and weighing ranges from 20 g to 6 kg, it provides the performance needed to maintain consistency without slowing production.

Built with a compact, modular design, the system integrates easily into existing production lines and can scale as your operation grows. Its rugged construction minimizes vibration for stable, accurate weighing, even in demanding industrial environments.

An intuitive touchscreen interface simplifies operation, while advanced connectivity and reporting tools support compliance, data tracking, and Industry 4.0 integration.


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Key Features

  • High-Speed Performance – Up to 200 packages per minute for efficient production

  • Accurate Weight Control – Precision weighing from 20 g to 6 kg

  • 100% Inline Inspection – Eliminates manual spot checks and improves quality assurance

  • User-Friendly Interface – 7” touchscreen with intuitive controls and multilingual support

  • Automated Reject Systems – Optional air blast or pusher systems for non-conforming products

  • Compact, Modular Design – Easy integration into existing production lines

  • Robust Construction – Stable performance in wet, dry, and harsh environments

  • Advanced Connectivity – Ethernet, Fieldbus, and data reporting capabilities for compliance


Technical Specifications

  • Product Type: In-motion checkweigher (conveyor-based)

  • Weighing Range: 20 g – 6,000 g

  • Maximum Throughput: Up to 200 packs/min

  • Weighing Accuracy: From ±1 g (application dependent)

  • Maximum Product Width: 400 mm

  • HMI: 7” color touchscreen

  • Connectivity: Ethernet TCP/IP, Fieldbus, OPC UA

  • IP Rating: IP54 standard, optional IP65

  • Weighing Technology: Strain gauge load cell

  • Applications: Weight control, completeness checking, compliance verification

  • Industries: Food & beverage, pharmaceuticals, manufacturing, logistics


Why Choose the C31 Checkweigher?

The C31 is an ideal entry-level industrial checkweigher that delivers the accuracy, reliability, and efficiency needed for modern production lines. Its ability to perform continuous inline inspection helps reduce product giveaway, improve compliance, and maintain consistent quality across every batch.

With flexible configuration options and scalable design, it’s a smart investment for growing operations looking to automate quality control without overcomplicating their process.


Ensure every product meets your standards—contact us today to integrate the Mettler Toledo C31 Checkweigher into your production line.