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FA-CW Checkweigher: Precision Weight Control for Pharmaceutical Bottle Packaging

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FA-CW Checkweigher: Precision Weight Control for Pharmaceutical Bottle Packaging

For pharmaceutical manufacturers, accurate weight control is not just a quality metric—it is a regulatory requirement and a matter of patient safety. Even a minor underfill or overfill of a medication bottle can lead to regulatory non-compliance, costly product recalls, and irreversible damage to brand reputation. PharmaCore Solutions, a leading contract manufacturer of prescription and over-the-counter (OTC) medications in Germany, turned to Shanghai Fanchi-tech Machinery Co., Ltd. to solve its weight inspection challenges. By deploying our FA-CW Checkweigher, PharmaCore eliminated underfill risks, reduced waste, and secured long-term compliance with EU pharmaceutical regulations.
 

 

The Challenge: Weight Variation & Regulatory Risks in Pharmaceutical Bottling

 
PharmaCore Solutions produces over 120,000 pharmaceutical bottles daily, including 50ml liquid medicine bottles, 100-tablet pill bottles, and 30ml topical cream containers. In early 2025, a batch of 50ml cough syrup bottles was found to have an average underfill of 2.3ml, triggering a warning from the German Federal Institute for Drugs and Medical Devices (BfArM) and a temporary production suspension. The company’s legacy checkweighing system exposed critical flaws:
 

  • Low Accuracy: The old checkweigher had a measurement tolerance of ±5g, which was insufficient to detect the 2ml underfill (equivalent to 2g) in the 50ml bottles.
  • Slow Integration: Bulky, outdated equipment required manual calibration between bottle sizes, slowing production by 22% during peak demand.
  • High False Rejects: The old system’s unstable conveyor caused frequent bottle tipping, leading to false rejects of 9% of production—wasting 1,080 qualified bottles weekly.
  • Poor Traceability: The legacy system lacked detailed weight data logging, making it impossible to provide audit-ready reports for regulatory inspections.

 
“Our reputation is built on precision and compliance, but our old checkweigher was putting both at risk,” says Dr. Hans Müller, Quality Assurance Director at PharmaCore Solutions. “We needed a high-precision, fast, and traceable checkweigher that could handle our diverse pharmaceutical bottle portfolio without slowing our lines.”
 

 

The Solution: Fanchi-tech FA-CW Checkweigher for Pharmaceutical Bottles

 
After evaluating 7 competitors, PharmaCore selected the FA-CW Checkweigher for its high accuracy, compact design, and compliance with pharmaceutical standards. As shown in the on-site installation photo, the FA-CW features a stainless steel frame, smooth white conveyor belt, touch-screen control panel, and automatic reject system—all engineered for pharmaceutical bottle packaging lines.
 

1. Ultra-High Precision for Pharmaceutical Weight Control

 
The FA-CW uses high-precision load cells and adaptive signal processing to achieve measurement accuracy of ±0.1g, even for small 50ml liquid bottles. Key capabilities:
 

  • Underfill/Overfill Detection: Identifies deviations as small as 0.5g, ensuring compliance with EU GMP and FDA weight accuracy requirements.
  • High-Speed Operation: Processes up to 180 bottles per minute, matching the speed of PharmaCore’s bottling lines.
  • Adaptive Calibration: Automatically adjusts to different bottle sizes and materials (glass, plastic), eliminating manual calibration between SKUs.

 
During on-site validation, the FA-CW detected 100% of test underfill and overfill conditions in 50ml liquid bottles, 100-tablet pill bottles, and 30ml cream containers.
 

2. Stable Conveying for Fragile Pharmaceutical Bottles

 
The FA-CW’s conveyor system is designed to handle fragile pharmaceutical bottles without tipping or jamming:
 

  • Smooth Belt & Guide Rails: Prevents bottle movement and ensures stable positioning during weighing.
  • Soft Reject Mechanism: Gently removes non-conforming bottles from the line without damage, reducing waste by 35%.
  • Adjustable Height: Accommodates bottles of varying heights, from 50ml vials to 200ml liquid containers.

 

3. Intelligent Operation & Regulatory Traceability

 
The FA-CW’s touch-screen control panel stores 50+ product presets, enabling SKU switching in 15 seconds—down from 15 minutes with manual calibration. It also:
 

  • Logs 1,000,000+ weight records, including time-stamps and batch numbers, for audit-ready traceability.
  • Supports remote monitoring, allowing PharmaCore’s quality team to review data in real time.
  • Meets CE, FDA, and EU GMP standards, ensuring full compliance with global pharmaceutical regulations.

 

 

The Outcome: Zero Regulatory Warnings & 25% Faster Production

 
In the 10 months since deploying 6 FA-CW Checkweighers:
 

  • 42 Critical Underfill/Overfill Incidents Intercepted: Detected deviations as small as 0.5g in pharmaceutical bottles, preventing 2 potential regulatory warnings and €65,000 in estimated recall costs.
  • 95% Reduction in False Rejects: Weekly bottle waste dropped from 1,080 to 54, saving €2,200 monthly in material and labor costs.
  • 25% Faster Production: Fast SKU switching and stable conveying increased line efficiency, adding 12 hours of weekly capacity during peak production.
  • 100% Audit Compliance: Passed all BfArM and EU GMP inspections with zero non-conformities, securing a 5-year contract extension with its largest pharmaceutical client.

 
“The FA-CW didn’t just fix our weight control problem—it transformed our approach to pharmaceutical quality,” says Dr. Müller. “We now have complete confidence that every bottle leaving our facility is accurate, compliant, and safe for patients.”
 

 

Why Fanchi-tech’s FA-CW Leads in Pharmaceutical Checkweighing

 
For pharmaceutical manufacturers, the FA-CW Checkweigher delivers:
 

  • Precision Accuracy: ±0.1g measurement tolerance, ensuring compliance with strict weight regulations.
  • Stable Conveying: Gentle handling of fragile bottles, reducing damage and waste.
  • Regulatory Traceability: Detailed data logging for audit-ready compliance.
  • Fast Integration: Compact design and fast SKU switching fit seamlessly into bottling lines.
  • Global Support: 1-year warranty

 

 

Secure Your Pharmaceutical Bottling Lines Today

 
If you’re a pharmaceutical manufacturer facing weight variation risks, regulatory non-compliance, or production inefficiencies, contact Kerry Wang to arrange a free virtual demo or on-site trial of the FA-CW Checkweigher. We’ll test the unit with your specific pharmaceutical bottles to validate performance for your line speed and SKU mix.
 
Shanghai Fanchi-tech Machinery Co., Ltd.