Automated Checkweigher Solutions for Quality Control in Manufacturing

1. Introduction

Automated checkweighers are critical quality control (QC) systems in modern manufacturing, ensuring product weight compliance, reducing waste, and maintaining regulatory standards. These high-speed, precision instruments verify the weight of individual products in real time, rejecting underweight or overweight items to prevent non-conformance, customer complaints, and regulatory penalties.

2. Key Features of Automated Checkweighers

2.1 High-Speed Precision Weighing

• Accuracy: ±0.1g to ±5g (depending on product weight and speed)

• Throughput: 100–600 items per minute (adjustable based on product size)

• Dynamic Weighing: Measures products in motion on conveyor belts without stopping

2.2 Advanced Rejection Systems

• Pneumatic Pushers – For gentle product rejection

• Air Jets – For lightweight items (e.g., snacks, pharmaceuticals)

• Diverter Arms – For heavy or fragile products

2.3 Smart Quality Control Integration

• Statistical Process Control (SPC) – Monitors trends to detect filling deviations

• Real-Time Data Logging – Stores weight data for traceability (FDA 21 CFR Part 11 compliance)

• ERP/MES Connectivity – Integrates with SAP, Oracle, or SCADA for automated reporting

2.4 Hygienic & Robust Design

• Stainless Steel (IP69K-rated) – For food, pharmaceutical, and chemical industries

• Washdown-Ready Models – Suitable for wet or high-hygiene environments

• Modular Construction – Easy to clean and maintain

3. Industry-Specific Implementations

3.1 Pharmaceutical Manufacturing

• USP <41> compliance for active pharmaceutical ingredients

• 21 CFR Part 11 electronic records with audit trails

• Isolator integration for potent compound handling

3.2 Food & Beverage Production

• HACCP-compliant metal detection combo systems

• Washdown-ready IP69K stainless steel construction

• Net content verification per EU FIC Regulation

3.3 Automotive Components

• IATF 16949 process validation

• Dimensional-weight correlation for assembly kits

• Traceability marking with laser engravers

SMARTWEIGH INSTRUMENT CO.,LTD , established over 15 years, which is one of the largest manufacturers and exporter in China. Our workshop occupy 20,000 square meters and located in a very convenient and beautiful city, Changzhou, it is close to Shanghai and only take one hour by high speed railway.

  Our company have advanced production equipments like Bending machine, pre-arch machine, shearing machine, qutomatic welder, automatic welding robot, plasama cutting machine, and baking paiting room, to help us increase the product quality and  production productivity  Our company also have the senior technician team and design team. Many products have been applied  patents. 

  Under the advanced test equipement, technical workers and rich experice, we manufactured high qualified truck cales, platform scales, bench scales, crane scales, highway axle scales, as well as spare parts like indicators and loadcells. We have exported to RUSSIA, KSA, USA, UK, HOLLAND, SPAIN, ITALY etc many different kind of countries, our good quality and timely delivery has attracted over 200 long term distrbutors all over the world.

Our yearly export collection amount keep about 5000,000 to 10000,000 USD, among of this, our project for the foreign railway, highway and government is the majority. By the way, We can supply both ODM and OEM design also.

  Our company havs been awarded ISO 9001, CE, SGS, OIML cetificate for our products, all weighing scales are 

pre-calibrated before shipping, We deicated to the spirit of " Quality come first forveve and technology detemines the productivity"since extablished, and we have benifited from it and quietly brilliant for over 15 years.

More and more wonders and brilliant future will be made be by SMARTWEIGH!