Stainless Steel 3-A Hygienic Weight Indicator for Batching, Filling & Legal-for-Trade Applications
The Laumas WINOX-R 3A is a high-spec stainless steel hygienic weight indicator, fully certified to 3-A SSI standards and ideal for food, beverage, and pharmaceutical industries. Engineered for precision batching and formulation, the WINOX-R 3A supports advanced features like multi-product programming, Ethernet connectivity, and full legal-for-trade compliance. With a bright LED display, 6-key interface, and web-based remote management, it offers robust and sanitary performance in demanding environments.
Key Features
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Display: 6-digit semi-alphanumeric red LED (20 mm height), 16 status LEDs
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Keyboard: 6-key tactile front panel
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Housing: Hygienic AISI 304 stainless steel with 3-A authorization (IP69K front, IP68 housing)
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Load Cell Support: Up to 8 (350 Ω) or 16 (700 Ω) load cells
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Inputs/Outputs: Up to 5 relay outputs, 3 digital inputs, optional 16-bit analogue output
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Ports: RS232/RS485, optional Ethernet TCP/IP, USB, and fieldbus options
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Mounting: Panel mount with sealed screw terminal blocks
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Real-Time Clock: Battery-backed for automation and timestamping
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Power Supply: 12–24 VDC ±10%, 6 W
Available Programmes
Model |
Programme |
Description |
WINOXR-3A-B |
BASE |
Weight display, totalising, peak hold, basic printing |
WINOXR-3A-C |
LOAD |
Load control with programmable setpoints and output triggers |
WINOXR-3A-S |
UNLOAD |
Automatic unloading for filling stations and silos |
WINOXR-3A-3 |
3 PRODUCTS |
Batching program with up to 3 ingredients |
WINOXR-3A-6 |
6 PRODUCTS |
Multi-stage batching with up to 6 ingredients |
WINOXR-3A-14 |
14 PRODUCTS |
Extended batching with up to 14 programmable materials |
WINOXR-3A-MU |
MULTIPROGRAM |
Switchable modes: Base, Load, Unload, and Batching |
Certifications
- 3-A SSI Authorized Hygienic Design
- OIML R76, MID, CE, UKCA, UL, EAC, NMI (Australia), NTEP (USA), INMETRO (Brazil), GOST (Russia), China, New Zealand, UK
- Compliant with international legal-for-trade and sanitary standards
Interfaces & Expansion Options
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Analogue Output: 16-bit optional (OPZWANALOGICA)
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Additional RS485: Optional port for secondary serial communication (OPZW1RS485)
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Fieldbus: Modbus RTU/TCP, CANopen, Profibus DP, DeviceNet, Profinet IO, Ethernet/IP
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USB Storage: IP68 USB port for exporting alarms, batching, and weight logs (OPZWUSB88)
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Web Interface: Ethernet TCP/IP with remote control and logging software
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Alibi Memory: Legal data backup for verified transactions (OPZWALIBI)
Mounting & Mechanical Options
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Panel Mounting: Standard for hygienic enclosures
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Sealed Screw Terminals: With IP69K protection
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Optional Battery: 12.2 V rechargeable lead battery for 16 hours operation (OPZWBATTWINOX)
Accessories & Software
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PROG-DB: Data logging and programming software for batching, alarms, and print logs
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RELE Modules: External 5-, 6-, or 8-relay expansion modules for additional control
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OPZWAEC: External contact selector for formula or group selection
Downloads & Resources