smartTAP Water Dispenser
Lorents

Solution Overview & Benefits
The LORENTZ smartTAP Water Dispenser is an off-grid, solar-powered water dispensing and management system designed to provide sustainable and equitable water access in remote and underserved communities. By integrating secure NFC-based user identification with intuitive operation and robust construction, smartTAP enables efficient water distribution, revenue collection, and resource management without reliance on external power sources.
Key Features and Benefits:
- Off-Grid Operation: Powered by a 10 Wp solar panel with integrated battery backup, ensuring 24-hour functionality even without sunlight.
- Secure Access Control: Utilizes high-security NFC tags (MIFARE DESFire) to manage user identification and water credit balances, preventing unauthorized access and fraud.
- User-Friendly Interface: Features a graphical LCD display with symbols, making it accessible to users regardless of literacy levels.
- Scalable Deployment: Modular design allows for single or multiple dispenser installations, adaptable to various community sizes and needs.
- Durable Construction: Built with a robust polycarbonate case, anti-tamper screws, and IP66-rated enclosure to withstand harsh environmental conditions.
- Flexible Credit Management: Water credits can be added via local water sellers using the smartTAP Android app or through mobile money systems, facilitating easy and secure transactions.
- Data Logging and Monitoring: Stores up to 10 years of water transaction data, with options for remote monitoring and management through LORENTZ Global cloud services.
- Low Maintenance: Designed for easy servicing by local technicians with minimal training, featuring color-coded components and simple replacement procedures.
History & Development
The LORENTZ smartTAP Water Dispenser was introduced around 2018 as an innovative solution to provide sustainable, off-grid water access in underserved communities. Developed by LORENTZ, a company founded in 1993 with a focus on solar-powered water pumping systems, smartTAP integrates hardware, software, and predefined business models to enable revenue collection, water entitlement, and sustainable water provision. The system is designed to be self-contained, requiring no external power, and is robust to reduce the chance of damage, making it suitable for remote and challenging environments. Each dispenser can serve approximately 500 people, and the system supports scalable deployment, allowing for single or multiple dispenser installations to adapt to various community sizes and needs. The smartTAP solution reflects LORENTZ's commitment to leveraging solar technology for improving water access and management globally.
Availability
- Available: worldwide
- Price: contact solution provider for quote
Specifications
- Power Supply: 10 Wp solar panel with integrated battery backup, supporting up to 72 hours of operation without sunlight.
- Flow Rates:
- 23 liters/minute at 0.5 bar pressure.
- 14 liters/minute at 0.2 bar pressure.
- Operating Pressure: Minimum 0.1 bar; maximum practical use at 3 bar.
- Dimensions:
- Height: 400 mm
- Width: 300 mm
- Depth: 187 mm
- Weight: 4.8 kg (dispenser), 1.36 kg (PV module and cable).
- Environmental Ratings: IP66 enclosure; operating temperature range from 0°C to 45°C; humidity up to 95%.
- Connectivity: Optional integration with LoRaWAN and GSM networks for remote monitoring and management.
Additional Information
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