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Dragino WQS-LB2 LoRaWAN Water Quality Sensor Transmitter (EU868)
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The Dragino WQS-LB2 is a LoRaWAN water quality monitoring transmitter designed to collect measurements from compatible external water quality probes and transmit the data wirelessly to a LoRaWAN network.
Based on the Dragino WQS-LB platform, the system supports the connection of one to three water quality probes, enabling multiple water parameters to be monitored using a single wireless transmitter.
Depending on the connected probes, the system can measure pH, electrical conductivity (EC), dissolved oxygen (DO), oxidation-reduction potential (ORP), turbidity, residual chlorine and chemical oxygen demand (COD).
The external probes communicate with the transmitter through an RS485 interface using Modbus RTU, providing a reliable wired connection between the measurement instruments and the LoRaWAN communication unit.
The transmitter uses LoRaWAN 1.0.3 Class A technology for long-range, low-power wireless communication. The EU868 version is intended for compatible European LoRaWAN networks.
With Bluetooth 5.1 configuration, LoRaWAN downlink commands and wireless OTA firmware updates, the WQS platform supports convenient installation, configuration and ongoing maintenance.
The battery-powered design makes the device suitable for monitoring locations where a permanent wired network connection is unavailable. The exact battery capacity and power characteristics of the WQS-LB2 variant should be confirmed against its dedicated manufacturer documentation.
The modular architecture allows users to select the most appropriate probes for their application, from basic pH and conductivity monitoring to more advanced wastewater and industrial water quality measurements.
The Dragino WQS-LB2 is suitable for water treatment installations, environmental monitoring, aquaculture, industrial processes and remote water quality monitoring systems.
Important: The transmitter does not measure water quality parameters without compatible external probes. Water quality sensors must be purchased separately. Actual supported probe combinations, operating autonomy and battery specifications should be confirmed for the WQS-LB2 hardware version.
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🔑 Key Features
💧 Multi-Parameter Water Quality Monitoring – Supports a wide range of external water quality probes.
🔌 Up to 3 External Probes – Connect one to three compatible sensors through the WQS platform.
🧪 pH Monitoring – Measure water acidity or alkalinity using a compatible pH probe.
⚡ Electrical Conductivity (EC) – Monitor dissolved ion conductivity with a compatible EC probe.
🫧 Dissolved Oxygen (DO) – Monitor oxygen concentration in water.
🔄 ORP Monitoring – Measure oxidation-reduction potential.
🌫️ Turbidity Monitoring – Measure water turbidity using a compatible optical probe.
🧴 Residual Chlorine Monitoring – Support chlorine measurement with compatible probes.
🏭 COD Monitoring – Support chemical oxygen demand measurement with compatible instruments.
🔗 RS485 Modbus RTU – Communication with external water quality sensors.
📡 LoRaWAN EU868 – Long-range, low-power wireless transmission.
📶 LoRaWAN 1.0.3 Class A – Compatible with suitable LoRaWAN infrastructure.
📱 Bluetooth 5.1 – Local device configuration.
🔄 Wireless OTA Updates – Firmware update capability.
⚙️ Remote Configuration – LoRaWAN downlinks and AT commands.
🔋 Battery-Powered Operation – Battery capacity of the LB2 version requires confirmation.
📊 Remote Data Monitoring – Integrates with compatible LoRaWAN monitoring platforms.
📦 Probes Sold Separately – Select sensors according to the monitoring application.
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🛠 Applications
💧 Water Treatment Plants – Monitor selected water quality parameters.
🏭 Industrial Water Monitoring – Track water conditions in industrial processes.
🌊 Rivers, Lakes & Surface Water – Collect environmental water quality data.
🐟 Aquaculture & Fish Farming – Monitor dissolved oxygen, pH and other relevant parameters.
🚰 Water Distribution Systems – Support water quality monitoring at suitable sampling points.
♻️ Wastewater Monitoring – Measure turbidity, COD and other parameters with appropriate probes.
🌱 Agricultural Water Management – Monitor irrigation water quality.
🔬 Environmental Research – Collect water quality measurements for research and analysis.
📡 Remote LoRaWAN Monitoring – Transmit water quality data to compatible IoT platforms.
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📦 Package Includes
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1 × Dragino WQS-LB2 LoRaWAN Water Quality Sensor Transmitter
Not included :
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Water quality probes (pH, EC, DO, ORP, turbidity, chlorine or COD)
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LoRaWAN gateway
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Network server or monitoring subscription
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Additional installation accessories
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📥 Product Downloads
- Manufacturer: Dragino
- Model: WQS-LB2
- Product Type: LoRaWAN Water Quality Sensor Transmitter
- Wireless Protocol: LoRaWAN 1.0.3 Class A
- Frequency Band: EU868 (Selected Version)
- Supported External Probes: 1 to 3 (WQS-LB Series Specification)
- Probe Communication: RS485 Modbus RTU
- Supported Probe Types: pH, EC, DO, ORP, Turbidity, Residual Chlorine, COD
- Compatible Probe Models: DR-PH01, DR-ECK1.0/10.0, DR-EC200, DR-DO1/DO2, DR-ORP1, DR-TS200/TS4000, DR-CL, DR-COD (Verify Combinations)
- Measurement Parameters: Depend on Connected External Probes
- Local Configuration: Bluetooth 5.1
- Remote Configuration: LoRaWAN Downlink, AT Commands
- Firmware Updates: Wireless OTA
- Data Transmission: Periodic LoRaWAN Uplinks
- Power Source: Internal Battery (LB2 Specification to Be Confirmed)
- Battery Chemistry: Li-SOCl2 in Standard WQS-LB
- Standard WQS-LB Battery Capacity: 8500mAh (Not Confirmed for LB2)
- WQS-LB2 Battery Capacity: Not Yet Verified by Manufacturer
- Standard WQS-LB Supply Voltage: 2.5V to 3.6V
- Published Series Operating Temperature: -40°C to +85°C (Battery and Probe Limits Apply)
- Ingress Protection: Exact LB2 Rating Requires Confirmation
- External Probes Included: No
- LoRaWAN Gateway Included: No
- Applications: Water Treatment, Industrial Water, Wastewater, Aquaculture, Environmental Monitoring