Dynamic Checkweigher Manufacturer

What Is a Dynamic Checkweigher?

A dynamic checkweigher is an inline weighing system used to inspect product weight while products are moving on a conveyor. The system automatically compares the detected weight with preset limits and separates products that fall outside the acceptable range.

Unlike static weighing, the weighing process is completed continuously without stopping product flow. This allows the equipment to operate directly within automated packaging and filling lines. Dynamic checkweighers are widely used in food, cosmetics, pharmaceutical, daily chemical, and industrial packaging production.

Why Dynamic Weight Inspection Is Important in Production

In automated production lines, product weight is commonly used to monitor filling consistency, package completeness, and overall production stability. Weight deviations during production may indicate overfilling, insufficient filling, missing components, incorrect package quantity, or unstable feeding and dosing conditions.

A dynamic checkweigher performs continuous inline weighing while products are moving along the conveyor. Products outside the preset weight range are automatically detected and separated without stopping product flow. This enables real-time weight inspection within filling, packaging, cartoning, and conveying processes.

Because weighing and inspection are completed during conveyor transfer, the system can be integrated into automated production lines while reducing manual sampling and secondary weighing operations.

How the Dynamic Checkweigher Works

The equipment normally consists of:

• Infeed conveyor

• Weighing conveyor

• Control system

• Rejecting mechanism

• Outfeed conveyor

Products enter the weighing section through the infeed conveyor at a stable spacing. The weighing sensor captures the product weight dynamically while the conveyor is running.

The controller compares the measured value with preset tolerance ranges. Products outside the acceptable range are automatically separated through the reject system.

The entire process is completed in real time without interrupting conveyor movement.

Product Compatibility Scope

Dynamic checkweighers can handle many packaging formats, including:

• Bottles

• Jars

• Tubes

• Sachets

• Pouches

• Cartons

• Trays

• Cans

• Boxes

Different conveyor widths, weighing ranges, and reject structures can be configured according to product dimensions and production speed.

Integration with Packaging Lines

Dynamic checkweighers are commonly installed after packaging processes.

Common integration positions include:

• After capping machines

• After labeling systems

• Before carton packing

The system helps manufacturers monitor product consistency continuously during production.

Technical Parameters of Dynamic Checkweigher

Item	IMA-JZ-01	IMA-JZ-02	IMA-JZ-03	IMA-JZ-04
Weigh Range	≤200g	≤1000g	≤3000g	≤15kg
Precision	±0.05g~±0.1g	±0.3g~±0.5g	±0.5g~±1g	±2g~±5g
Minimum scale	0.01g	0.1g	0.1g	1g
Weighing speed	180  pcs/min	160  pcs/min	80  pcs/min	60  pcs/min
Conveyor speed	20～60m/min	30～100m/min	30～90m/min	20～80m/min
Suitable material size	≤100mm（L）*100mm（W）	≤280mm（L）*200mm（W）	≤300mm（L）*290mm（W）	≤450mm(L)*390mm(W)
Measuring table size	250mm（L）*120mm（W）	400mm（L）*210mm（W）	450mm（L）*300mm（W）	620mm(L)*400mm(W)
Remove method	Air blowing	Push rod	Push rod	Push rod
Control system	High speed A/D sampling controller
Air pressure	0.4~0.7MPA	0.4~0.7MPA	0.4~0.7MPA	0.4~0.7MPA
Machine material	Stainless steel
Power	0.1KW	0.15KW	0.4KW	0.4KW
Voltage	AC220V 50HZ（or customized）
Machine size	92*50*125CM	152*56*123CM	181*86*118CM	215*111*123CM

Details of Dynamic Checkweigher

Recommended Products