Equipment

High-Precision Checkweighers for Pharmaceutical, Food & Chemical Production

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.


Technical Specifications

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.


Industry Applications

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

System Architecture & Operation

Automated Weight Verification & Rejection Solutions.

Industry-Specific Applications

Rejection Mechanisms

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

Integration Capabilities

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

  1. Three-Zone Conveyor System:

    • Infeed ∙ Weighing platform (load cells) ∙ Rejection section

  2. 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

  3. Precision Sensors:

    • Strain gauge load cells (0.01g resolution)

    • Certified calibration (OIML R51/NIST traceable)


Technical Specifications

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

Precision Checkweighers for Multi-Industry Quality Control

Integration Case Studies

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

Operational Advantages

✅ 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.

Operational Advantages

✅ <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)


Why Choose LOCUS ROBOTICS?

  1. Our checkweighers reduce giveaway by 9,4% while maintaining 99.97% accuracy even at 5000+ packages/hour — delivering ROI in under 9 months.
  2. 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

Request Line Integration Assessment

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