The Ultimate Guide to Linear Weighers: Types, Features & How to Choose the Right One
Linear weighers are essential for precise and efficient product packaging in industries like food, pharmaceuticals, and chemicals. This guide explores different types of linear weighers—4-head, 10-head, modular, and multihead—highlighting their features, benefits, and how to choose the right one.
In today’s fast-paced manufacturing and packaging industries, linear weighers have become a cornerstone of accuracy and efficiency. These machines use advanced sensors—and in some cases, AI software—to weigh and dispense products with precision, making them indispensable in food, pharmaceutical, and chemical production lines.
4-Head Linear Weigher
The 4-head linear weigher is a compact yet powerful solution for accurate weighing. Equipped with intelligent sensors, it can automatically adjust conveyor belt speed to match product flow, ensuring consistent accuracy. Its ability to handle multiple product types simultaneously makes it ideal for packaging operations with varied SKUs.
Key Benefits:
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Accurate and consistent weighing
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Adjustable conveyor speed for efficiency
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Multi-product capability
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10-Head Linear Weigher
The automatic 10-head linear weigher offers even higher speed and precision, with an impressive accuracy margin of just 0.2 grams. It is user-friendly—simply place the product, and the machine automatically weighs and displays the results. This model is widely used in high-volume industries such as snacks, frozen food, and pharmaceuticals.
Applications:
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Pharmaceutical packaging
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Retail product weighing
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Modular Linear Weigher
Modular linear weighers are designed for flexibility. Built from a series of interchangeable modules, they can be customized to meet specific business needs and easily expanded as production grows.
Advantages:
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High accuracy and repeatability
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Suitable for blending, portioning, and simple weighing
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Easy cleaning and maintenance due to modular design
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Scalability for future business growth
Multihead Linear Weigher
The multihead linear weigher is perfect for weighing large quantities of material quickly and accurately. Often used for industrial-scale operations, it can be programmed to dispense exact amounts into containers or bags, optimizing bulk production lines.
Ideal For:
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Bulk food ingredients
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Industrial materials
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High-speed production lines
How to Choose the Right Linear Weigher
When selecting a linear weighing machine, consider:
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Product Type & Size – Determines hopper capacity and speed.
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Accuracy Requirements – Higher precision models cost more but reduce waste.
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Speed & Output – Choose a machine that meets your production volume.
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Automation Level – Automatic models save time and labor but require higher investment.
By carefully evaluating these factors, you can select a linear weigher that enhances efficiency, maintains product quality, and supports long-term growth.
Conclusion
Whether you choose a 4-head, 10-head, modular, or multihead linear weigher, investing in the right weighing solution can dramatically improve packaging accuracy, speed, and operational efficiency. With today’s advancements in automation, the right machine will not just weigh—it will optimize your entire production process.
About Product choice
Are there any additional features available for Kenwei machines?
Yes, we offer a variety of optional features for customization, such as: advanced touchscreen interfaces, multiple language support and so on.
About After Sales Support
How about the after-sales service?
Warranty :2 years
About products customization
How long does it take to deliver a customized Kenwei machine?
The lead time for customized machines can vary based on the complexity of the customization, as well as production schedules. Generally, it takes 4-6 weeks to deliver a fully customized machine after design approval.
Can Kenwei machines be customized for different industries?
Yes,According to the material characteristics and requirements of different industries, we developed various machine types for counting (small pouches into big bag), noodles, frozen foods, peppers, stick-shaped products, product -mixing, cheeses, salads and so on.
About Solution suggestions
Can Kenwei provide a solution for mixed-product weighing?
Yes, Kenwei’s multi-head weighers are ideal for mixed-product weighing. They can handle a variety of products in different shapes and sizes, ensuring that the correct portions are weighed and packaged quickly.
The linear weigher is perfect for precise, quantitative weighing of powdery and small granular materials such as white sugar, salt, monosodium glutamate, chicken essence, milk powder, coffee, seasoning powder, and more. Available in up to 5 different specifications, this linear scale offers a maximum weighing speed of up to 70 bags per minute, making it the top choice for accurately weighing powdery materials in high-speed production environments.
The JW-B7 Economical Linear Weighing and Vertical Packaging Machine is ideal for packaging small granules and powder materials such as sugar, salt, rice, sesame, milk powder, coffee, and seasoning powder. This compact, cost-effective system automates feeding, weighing, filling, and bagging with date printing and output. It reduces labor costs, enhances efficiency, and is perfect for businesses with moderate speed requirements.
The 6-Head Linear Weigher is designed for accurate quantitative weighing of granules and powders like sugar, salt, seeds, rice, milk powder, coffee, and seasoning powders. It features a modular control system, adjustable amplitude, and stepless feeding for real-time flow control, ensuring precise weighing. Made from food-grade stainless steel, it ensures hygiene and safety. With a pneumatic gate for precise material flow, easy-to-remove parts for cleaning, and custom load cells for accuracy, it's ideal for efficient, high-precision weighing and packing.
The 8-Head Fruit Linear Weigher is designed for accurate weighing of fruits such as cherry, tomatoes, jujube, blue plums, lychees, and plums with diameters between 10-40mm. It features a shatterproof hopper to protect fruits from damage and a waterproof structure for easy disassembly and cleaning. The weigher can be integrated with a boxing conveyor line for seamless weighing and packing, offering efficient automation and reducing labor costs in the packaging process.
Contact Kenwei
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