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 CN470, EU433, KR920, US915, EU868, AS923, AU915, and IN865 frequency bands.
✔ 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 IP66 waterproof enclosure with an IP68-rated sensor probe, ideal for harsh outdoor conditions.
📦 Technical Specifications
✅ LoRaWAN® Protocol: 1.0.3, Class A
✅ Frequency Bands: CN470, EU433, KR920, US915, EU868, AS923, AU915, IN865
✅ Power Supply: Solar panel with Li-ion battery
✅ Operating Temperature: -40°C to 85°C
✅ Enclosure Rating: IP66 (sensor body), IP68 (sensor probe)
✅ Dimensions: Refer to the datasheet for detailed measurements
📥 Product Downloads
Feature | Specification |
Model | SPH01-LB/LS |
Communication | LoRaWAN 1.0.3 Class A |
Frequency Bands | CN470, EU433, KR920, US915, EU868, AS923, AU915, IN865 |
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 | IP66 |
Power Supply | 8500mAh Li/SOCl₂ battery (SPH01-LB) or solar panel with 3000mAh Li-ion battery (SPH01-LS) |
Operating Temperature | -40°C to 85°C |
Configuration | Bluetooth v5.1 and LoRaWAN remote configuration |
Firmware Updates | Wireless OTA updates supported |