
Dynamic Weight Control Technology
GMP-Compliant Weight Verification & Rejection Systems
Core Functionality
LOCUSPACK supplies precision checkweighers designed for 100% inline weight verification across regulated industries. Our systems detect underfill/overfill, missing components, and packaging deviations with pharmaceutical-grade accuracy.
| Parameter | Pharma Grade | Industrial Grade |
|---|---|---|
| Accuracy | ±0.01g | ±0.1g |
| Throughput | Up to 800 UPM | Up to 1,200 UPM |
| Min. Detectable Deviation | 0.5% of target weight | 1% of target weight |
| Compliance | FDA 21 CFR Part 11 ∙ EU Annex 11 ∙ GAMP5 | HACCP ∙ ISO 9001 |
| Environmental Rating | IP69K (Washdown) | IP66 |
Core Technology
LOCUS ROBOTICS delivers high-speed checkweighers with integrated rejection systems for comprehensive weight verification across food, pharma, cosmetic, and chemical industries. Our systems ensure 100% inline quality control of packaged products with pharmaceutical-grade accuracy.
| Sector | Product Examples | Critical Control Points |
|---|---|---|
| Food | Meat products ∙ Bakery goods ∙ Ready meals ∙ Snacks ∙ Confectionery | Portion control ∙ Missing components |
| Cosmetics | Creams ∙ Serums ∙ Perfumes in consumer packaging | Fill volume ∙ Component counting |
| Chemicals | Detergents ∙ Solvents ∙ Industrial liquids | Hazardous material quantity control |
| Pharma | Vials ∙ Syringes ∙ Blister packs | Dose accuracy ∙ Regulatory compliance |

Automated Weight Verification & Rejection Solutions.
| Type | Operation Principle | Best For |
|---|---|---|
| Pneumatic Pusher | Compressed air cylinder | Vials ∙ Ampoules |
| Flap Gate | Mechanical diverter | Bottles ∙ Jars |
| Robotic Arm | 6-axis selective removal | High-value products |
| Belt Divert | Lane switching | High-speed lines |
Seamless Connectivity With:
Vision inspection systems
Labeling machines
Filling/capping monoblocks
Track & trace serialization
MES/ERP (SAP, Rockwell) via:
OPC-UA
PROFINET
Ethernet/IP
Key Components
Three-Zone Conveyor System:
Infeed ∙ Weighing platform (load cells) ∙ Rejection section
Rejection Mechanisms:
Pneumatic Pusher: Cylinder-actuated paddle for solid containers
Air Blast: Compressed air nozzle for lightweight items
Diverting Conveyor: Positive rejection for fragile products
Precision Sensors:
Strain gauge load cells (0.01g resolution)
Certified calibration (OIML R51/NIST traceable)
| Parameter | Standard Model | Pharma Grade |
|---|---|---|
| Throughput | Up to 300 UPM | Up to 500 UPM |
| Accuracy | ±0.1g | ±0.01g |
| Minimum Detectable Dev. | 0.5% of target weight | 0.1% of target weight |
| Compliance | HACCP ∙ ISO 9001 | FDA 21 CFR Part 11 ∙ GMP |
| Power Supply | 400V/50Hz ∙ 24VDC backup | Cleanroom-compatible |
Recent Implementations:
Hookah Tobacco Lines: Doy-Pack vacuum systems with 0.2g accuracy
GMP Pharmaceutical: Tablet/capsule bottling lines with serialization
Liquid Filling Tri-blocs: Rinse-Fill-Cap systems for beverages
Powder Filling: TFL (Thick Liquid Form) monoblocks
Flow-Wrap Packaging: Snack food portion control
Supported Container Types:
• Glass/PET bottles • Doy-Pack pouches • Flow-Pack bags
• Plastic cups • Containers • Vials • Blister packs
Supported Container Types:
• Pharma: Vials (2R-50R), syringes, penicillin bottles
• Food: Pouches, cans, bottles
• Chemicals: Drums, jerrycans, IBCs
✅ Self-Calibration: Automatic span adjustment
✅ Recipe Management: 500+ preset configurations
✅ Contamination Control: All-stainless contact surfaces (316L)
✅ Data Integrity: Audit trails with electronic signatures
Statistical Process Control Features
Real-time Cp/Cpk monitoring
Trend analysis reports
OEE dashboards
CSV data export
FDA-Compliant Rejection Systems.
✅ <0.5s Response Time: Instant rejection decisions
✅ Self-Diagnostic System: Automatic calibration alerts
✅ Recipe Management: 200+ product presets
✅ Contamination Control: All-stainless construction (304/316L)
Data Management Features:
Real-time SPC reporting (Cp/Cpk)
OEE tracking dashboards
CSV export for audit trails
Cloud connectivity (IoT-ready)
- Our checkweighers reduce giveaway by 9,4% while maintaining 99.97% accuracy even at 5000+ packages/hour — delivering ROI in under 9 months.
- Our checkweighers maintain ≤0.5% measurement uncertainty at 800 vials/minute — critical for biologics requiring 100% weight verification per FDA guidance.
Industry-Proven In:
Sterile pharmaceutical packaging
High-speed snack food lines
Premium cosmetic filling
Chemical drumming operations
Industry Validation:
• Food: HACCP Critical Control Point validation packages
• Pharma: IQ/OQ/PQ protocols per GAMP 5 guidelines
• General: ISO 9001:2015 certified manufacturing
Optimize your packing line with precision inspection technology:
📧 Email: mail@locuspack.com
📞 Toll-Free: +7 927 056-19-99 (Toll-free)
🌐 Technical Dossier: locusrobotics.com/checkweighers