Established in 1984 Shawpak Systems prides itself on providing high level technical sales and support to our valued customer base. Offering solutions for Product Inspection, Packaging and Hygiene equipment sales and after sales support including certified customer training on site or at our Centre of Excellence training and demonstration facility.

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Food Weight Checking Equipment

Food weight checking equipment is a precision instrument that automatically verifies product mass during manufacturing and packaging to ensure compliance, reduce waste, and prevent regulatory violations. For food processing facilities, meat operations, and pharmaceutical manufacturers across North America, selecting and deploying the right system can transform production efficiency and consumer safety. Shawpak Systems Ltd, based in Oakville, Ontario, specializes in helping industrial facilities across Canada and the USA integrate these systems into their operations through technical consultation, equipment supply, and certified after-sales support.

Step 1: Assess Your Production Line Requirements and Throughput Capacity

Begin by documenting your current production speed, measured in units per minute. Weight checkers operate at different speeds depending on their mechanism and design. For example, a conveyor-based checkweigher may handle 60 to 300 units per minute, while high-speed systems can exceed 400 units per minute. Match this specification to your actual line speed, accounting for peak production demands plus a 15-20 percent safety margin to avoid bottlenecks.

Next, identify the product types you run: rigid items (cans, boxes), flexible packages (films, pouches), or loose bulk materials. Each requires different sensor technology. Load cells measure static or dynamic weight; optical sensors verify package presence. Document the minimum and maximum weight range your products will encounter. This data becomes the foundation for equipment selection and ensures Shawpak Systems can recommend machinery scaled precisely to your facility's needs rather than over- or under-specifying capacity.

Step 2: Define Tolerance Levels and Accuracy Specifications

Establish the acceptable weight variance for each product line. In food and pharmaceutical manufacturing, tolerance is typically expressed as a percentage or absolute range. For instance, a 500-gram product might allow plus or minus 5 grams (plus or minus 1 percent), while a 50-gram item might require plus or minus 2 grams (plus or minus 4 percent). Tighter tolerances prevent giveaway (underweight products costing you margin) and reject (overweight products wasted).

Accuracy specifications depend on your equipment class. A weighing system accurate to plus or minus 0.5 grams works for many food applications, while pharmaceutical operations demand plus or minus 0.1 grams or tighter. Regulatory requirements in your sector-whether compliance with food safety standards or pharmaceutical GMP guidelines-may dictate minimum accuracy. Shawpak Systems provides technical advisory services to help you translate regulatory and business requirements into precise equipment specifications that balance compliance, cost, and production reality.

Step 3: Install, Configure, and Validate the System

Once delivered to your Oakville-area facility or elsewhere across North America, your checkweigher must be positioned on the production line at a stable location, ideally after all product filling or packaging steps are complete. The equipment sits on a level surface with vibration isolation pads to prevent conveyor movement or floor vibration from affecting readings. Electrical connections require a dedicated power circuit; many systems operate at 120 or 240 volts single-phase, though higher-capacity units may require three-phase power. Consult your electrical team and the equipment manual before installation.

Calibration is critical. Use certified calibration weights at the minimum, nominal, and maximum product weights your line will process. Run at least 30 test cycles at each weight point to verify repeatability and accuracy. Configure the system's reject threshold: products falling outside your tolerance window trigger an output signal (solenoid valve, pusher arm, or conveyor diverter) to remove the item. Shawpak Systems includes on-site training and demonstration facility support to ensure your team understands operation, maintenance, and troubleshooting, giving your plant managers and operations directors confidence in daily use and long-term reliability across your facility in Oakville or anywhere in your North American operations.

• Verify power supply voltage matches equipment specifications
• Use calibration weights certified to plus or minus 0.1 percent accuracy
• Test reject mechanism at minimum 20 cycles before production run
• Document baseline accuracy readings for future reference
• Train all operators on data logging and alarm response

After installation and validation, Shawpak Systems provides parts distribution and certified after-sales support to keep your system operating reliably. Whether you need replacement load cells, conveyor components, or diagnostic assistance, this technical partnership ensures minimal downtime and sustained accuracy over the equipment's operational life. If your facility in Oakville or your operations elsewhere across Canada and the USA require guidance selecting, installing, or maintaining weight verification systems, reach out to discuss your specific production challenges and how precision equipment can strengthen both your compliance posture and your bottom line.