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Dragino SW3L-LS-006 Solar Powered LoRaWAN Outdoor Liquid Flow Sensor 3/4'' (EU868)
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Accurate Water Flow Monitoring with Solar Power for Outdoor IoT Applications
The Dragino SW3L-LS-006 is a LoRaWAN-based device designed for measuring the flow of liquids in outdoor environments. With a pulse ratio of 390 pulses per liter, it provides reliable data for building water management, waste monitoring, and consumption tracking. The built-in solar panel with a 3000mAh backup Li-ion battery enables long-term, maintenance-free operation even in remote areas.
✅ Key Features
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📏 Pipe Size: G 3/4” / DN20
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🔄 Pulse Ratio: 390 pulses = 1 liter
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☀️ Power Source: Solar panel + 3000mAh rechargeable Li-ion backup battery
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🔋 Battery Life: Up to 5 years
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🌐 Protocol: LoRaWAN v1.0.3 Class A
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📶 Frequency Band: EU868
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🌡️ Operating Temperature: -40°C to +85°C
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💧 Waterproof Rating: IP67
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🔧 Configuration: BLE support + OTA firmware updates
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📊 Data Logging: Historical records + alarm thresholds supported
🏭 Typical Applications
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Building water consumption monitoring
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Leak detection in plumbing and irrigation systems
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Wastewater flow supervision
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Agricultural irrigation flow control
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Industrial flow tracking
📊 Technical Specifications
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Power Supply: Integrated solar panel with 3000mAh Li-ion backup battery
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Power Consumption:
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Sleep Mode: 5μA @ 3.3V
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LoRa TX: 125mA @ 20dBm
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Frequency Range: 862–1020 MHz
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RX Sensitivity: Down to -139 dBm
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Max TX Power: +22 dBm
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Package Dimensions: 14.5 × 10 × 5 cm
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Weight: 290 g
📥 Product Downloads
Limits and commissioning: The SW3L-LS-006 version uses the DW-006 probe (G3/4" / DN20), with a 1–60 L/min range and 390 pulses per litre. The −40°C to +85°C rating applies to the transmitter, not the water: the flow probe requires a temperature below 80°C and protection from freezing. Verify Calculate Flag = 1 with the matching decoder for correct water volume conversion.
- Model: SW3L-LS-006
- Flow probe: DW-006
- Pipe size: G3/4" / DN20
- Working flow range: 1–60 L/min
- Pulse conversion: 390 pulses per litre
- Decoder Calculate Flag: 1 (verify at commissioning)
- Accuracy: ±5%
- Maximum water pressure: ≤1.75 MPa
- Transmitter temperature: −40°C to +85°C
- Water / flow probe temperature: below 80°C; no freezing
- Probe humidity: 35–90% RH, no frost
- Wireless: LoRaWAN 1.0.3 Class A / EU868
- Power: Solar panel and rechargeable 3000 mAh Li-ion battery
- Periodic water volume reports and continuous-flow alarm
- Bluetooth 5.1, LoRaWAN downlink and firmware update support
- Compatible LoRaWAN gateway and network server required