Weighbridge Weight Indicator for Vehicle and Axle Weighing Systems

The Laumas WTAB-BR is a high-performance weighbridge indicator for truck scales and axle weighing systems, offering exceptional accuracy, robust connectivity, and compatibility with industrial automation. It features a 6-digit 20 mm red LED display with 16 status LEDs, an intuitive 18-key tactile keyboard, and support for up to 16 load cells (700 Ω) in parallel. The WTAB-BR seamlessly integrates with traffic lights, printers, remote displays, and databases, supporting double weighing, license plate management, real-time printouts, and up to 10000 stored weighments. Legal-for-trade certified and field-ready, this device is ideal for high-traffic weighbridge environments.

Key Features

• Display: 6-digit 20 mm red LED alphanumeric display with 16 signalling LEDs
• Keyboard: 18-key tactile keypad with intuitive function control
• Mounting: ABS desktop enclosure (315x170x135 mm), IP40 rating
• Load Cell Support: Up to 8 (350 Ω) or 16 (700 Ω) load cells, 4/6 wire
• Inputs/Outputs: 4 relay outputs, 2 digital inputs, 1 load cell input
• Ports: 2× RS485, 1× RS232; optional printer, database and remote display
• Memory: 999 preset tares, 254 vehicle IDs, 10000 weighings (with Alibi memory)
• Calibration: Real or theoretical with 8-point linearisation support
• Power Supply: 12–24 VDC or optional 12.2 V rechargeable battery (13 hrs)

Main Functions

• Supports PC/PLC integration via RS232/RS485 (up to 99 devices)
• Weigh-in and weigh-out with trailer, semi-auto and axle weighing
• Customisable printouts with header, footer, ID, license plate
• Traffic light management with relay outputs
• Database for ID management (up to 254 IDs)
• Supports intelligent junction boxes with channel diagnostics
• Digital filtering for accurate results with moving vehicles
• Compatible with open/closed weighing and load distribution analysis

Certifications

• OIML R76, CE, UKCA, UL, EAC, NMI, NTEP
• Legal-for-trade compliant in UK, EU, USA, Russia, Australia, China, NZ
• Meets MID, EN45501, NIST Handbook 44, and related global standards

Interfaces & Expansion Options

• Alibi Memory: Secure weighment logging and compliance (OPZWALIBI)
• Thermal Printer: Integrated option with preset format (OPZWTABSTA)
• Battery Pack: 12.2 V 2.8 Ah rechargeable (13 hrs runtime, OPZWBATTWTAB)

Accessories & Mounting Options

• Standard and adhesive thermal paper rolls (CARTASTAVP / CARTASFACADEN)
• Remote display with RS485/RS232 traffic light control (e.g. RIP6100N)
• External PC software for ID management and custom print formatting

Downloads & Resources