Process Weighing & Batching Systems.
Precision Vessel, Silo, Conveyor & Gravimetric Batch Automation
Libra Electronics designs high-precision process weighing systems engineered for demanding industrial plants. From reactive vessel and hopper loadcell integration to gravimetric loss-in-weight dosing and high-speed baggers, our solutions seamlessly interface with plant PLCs, SCADA and DCS architectures for zero-loss batching.
Vessel Weighing & Batching Systems
Tanks, Reactors, Silos & Hopper Weighment
Complete weighing and batching solutions for reaction vessels, mixing tanks, storage silos and hoppers. Featuring rugged loadcell mounts that eliminate thermal expansion strain and structural agitation errors.
- High accuracy loadcell mounting hardware with integral lift-off prevention
- Accommodates thermal expansion and vessel vibration without losing zero balance
- Multi-component automatic recipe batching via digital weight controllers
- Hermetically sealed stainless steel loadcells with IP68 environmental protection
- Seamless analog 4-20mA, Modbus RTU, and Profibus DP plant automation interfaces
Automated Bag Filling System
High-Speed Gravimetric Bagging & Packaging
Automated gross and net bag filling machines engineered for accurate dispatch and intermediate packaging of powders, pellets, granules and bulk materials.
- Precision dual-stage (coarse and fine) gravity, screw or belt feed gates
- Pneumatic bag clamping with dust-tight seal for operator safety
- Automatic tare check and digital zero tracking on every fill cycle
- Compact footprint with rugged structural steel frame construction
- Compatible with open-mouth bags, paper sacks, and HDPE woven bags
Loss-In-Weight Dosing Feeder
Continuous Gravimetric Micro-Ingredient Feeding
Continuous gravimetric loss-in-weight feeders for high-accuracy metering of dry powders, pellets and liquid additives into continuous extruders and blenders.
- Digital loss-in-weight algorithm providing continuous feed rate stability
- Precision twin-screw or single-screw modular feeding tools
- High-speed loadcell measurement responding instantaneously to mass flow rate changes
- Automated refill cycle management without process disruption
- Easy disassembly for cleaning and rapid recipe changeovers
Belt / Conveyor Weighing Totalizers
Dynamic In-Motion Bulk Material Measurement
Heavy-duty conveyor belt scales engineered to measure continuous bulk material flow rates and totalize production throughput on moving conveyor belts.
- Rugged multi-idler weigh carriage design for high mechanical rigidity
- High-resolution digital optical wheel pulse encoder for accurate belt speed measurement
- Microprocessor integrator displaying instantaneous flow rate (TPH) and cumulative tonnage
- Hermetically sealed strain-gauge loadcells with mechanical overload stops
- Weather-resistant design suitable for harsh industrial outdoor conveyors
Solutions for Paper & Converting Industry
Reel Optimizing, Disc Gap & Rider Roll Force Controls
Specialized industrial loadcell and force measurement systems designed specifically for paper manufacturing machines, winders, and converting lines.
- Reel Optimizing System (ROS): Precise web tension and nip load balancing across the roll width
- Disc Gap Control System: Real-time gap and load monitoring between refiner discs
- Rider Roll System: Controlled pressure application during paper roll winding for uniform density
- Rugged sensors resistant to high moisture, steam and pulp chemicals
- Fast dynamic response preventing web breaks and paper deformation
Web Tension Control Solutions
Continuous Web Line Tension Transducers
Loadcell transducers and controllers for measuring and regulating continuous sheet tension in printing, film coating, metal foil and textile lines.
- Pillow-block and shaft-end mounted tension loadcells
- Precise detection of left-to-right tension imbalances across the web width
- Closed-loop output to magnetic powder brakes, pneumatic brakes, or AC drives
- Protects delicate substrates from stretching, creasing or breaking
Industrial Process Weighing Modules
Loadcell Mount Kits for Static & Dynamic Vessels
Engineered mechanical mounting kits engineered for loadcells supporting tanks, hoppers, blenders and industrial mixers.
- Built-in uplift protection prevents vessel tipping under wind or seismic forces
- Integrated jacking feature allows easy loadcell installation and maintenance without crane support
- Accommodates structural deflection and thermal expansion without side-load errors
- Available in heavy zinc-plated carbon steel or 304/316 stainless steel
Request a custom quotation for Process Weighing & Batching Systems.
Provide your vessel dimensions, truck types, required throughput rates, or chemical compatibility requirements. Our Vapi metrology team will generate a comprehensive engineering proposal.
Drum & Liquid Filling Systems
High-precision gravimetric filling systems for drums, IBC totes, carboys, cans and tins with anti-drip cut-off and flameproof executions.
Weight Indicators & Controllers
Industrial weighing indicators, batch controllers, DIN-rail transmitters, and ATEX certified terminals with Modbus, 4-20mA, and Ethernet.
Electronic Weighbridges
Heavy-duty pitless and pit-type truck weighbridges from 40 Ton to 100 Ton capacity with digital loadcells, steel fabrication and software.