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Dragino SPH01-LS LoRaWAN Soil pH Sensor with Mini Solar Panel (EU868)
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The Dragino SPH01-LS is a LoRaWAN soil pH sensor designed for precision agriculture monitoring. It measures soil pH and soil temperature, transmitting data via the LoRaWAN network to analyze soil acidity or alkalinity levels.
The sensor probe is IP68 waterproof, ensuring durability for long-term soil embedding and reliable performance in various environmental conditions.
🔑 Key Features
✔ Accurate Soil pH Monitoring – Uses a solid AgCl reference electrode and pure metal pH-sensitive electrode for high-precision pH detection.
✔ Integrated Soil Temperature Measurement – Provides temperature-compensated pH readings for reliable data.
✔ LoRaWAN Wireless Communication – Supports LoRaWAN 1.0.3 Class A protocol, compatible with EU868 frequency band.
✔ Low Power Consumption with Solar Charging – Equipped with a mini solar panel and Li-ion battery, ensuring long-term use with minimal maintenance.
✔ Bluetooth Configuration & OTA Updates – Supports Bluetooth v5.1 for configuration and wireless over-the-air (OTA) firmware updates, making maintenance easy.
✔ Durable & Weatherproof Design – Features an IP67 waterproof enclosure with an IP68-rated sensor probe, ideal for harsh outdoor conditions.
📦 Technical Specifications
✅ LoRaWAN Protocol: 1.0.3, Class A
✅ Frequency Band: EU868
✅ Power Supply: Solar panel with Li-ion battery 3000 mAh
✅ Operating Temperature: -40°C to 85°C
✅ Enclosure Rating: IP67 (sensor body), IP68 (sensor probe)
✅ Dimensions: Refer to the datasheet for detailed measurements
📥 Product Downloads
| Feature | Specification |
| Model | SPH01-LS |
| Communication | LoRaWAN 1.0.3 Class A |
| Frequency Band | EU868 |
| Soil pH Range | 3 to 10 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±2% (0~50°C); accuracy decreases below 0°C due to freezing |
| Temperature Compensation Range | 0 to 50°C |
| Soil Temperature Range | -40°C to 85°C |
| Temperature Resolution | 0.1°C |
| Temperature Accuracy | <±0.5°C (-10°C to 40°C); <±0.8°C (others) |
| Sensor Probe Protection | IP68 |
| Probe Cable Length | 3.5 meters |
| Device Enclosure Protection | IP67 |
| Power Supply | 3000mAh Li-ion battery |
| Operating Temperature | -40°C to 85°C |
| Configuration | Bluetooth v5.1 and LoRaWAN remote configuration |
| Firmware Updates | Wireless OTA updates supported |