SPH01-LS LoRaWAN Ground pH Sensor 868MHz with Solar

The SPH01-LS LoRaWAN Soil pH Sensor is an innovative IoT device specifically designed for monitoring the pH level and temperature of soil in agriculture. With its IP68 certified probe, the sensor is suitable for long-term use in soil. Thanks to its robust design, the sensor is ideal for outdoor use. This model uses a combination of solar cells and a supporting battery to ensure optimal performance and longevity outdoors. The measurement is carried out by a solid AgCl reference electrode and a pure metal pH electrode, providing precise and stable values. The SPH01-LS utilizes LoRaWAN technology for long-range wireless communication and supports Bluetooth for easy configuration and firmware updates. Each sensor comes pre-installed with unique keys for LoRaWAN registrations, enabling automatic connection to the LoRaWAN server.

Recommended Accessories:

• Lora Gateway

Features:

• Accurate pH Measurement: The sensor measures the soil pH with high accuracy and stable values.
• Temperature Monitoring: It monitors and transmits the soil temperature, providing a comprehensive soil analysis.
• Solar Powered: The device operates on a solar panel and a supporting 3000mAh Li-Ion battery, ensuring environmentally friendly and low-maintenance use.
• Long Lifespan: The sensor can operate for up to five years thanks to efficient power management and a long-lasting battery.
• Robust Design: With an IP68 certification, the probe is protected against water and dust, ideal for outdoor use.
• LoRaWAN Technology: The sensor utilizes LoRaWAN technology for extremely long-range communication with low power consumption.
• Bluetooth Support: The sensor supports Bluetooth configuration and wireless OTA updates, facilitating setup and maintenance.
• Easy Registration: Each sensor comes pre-installed with unique keys for LoRaWAN registration, enabling easy and fast connection to the network.
• Temperature Compensation: The sensor features temperature compensation to ensure accurate measurements across a wide temperature range.

Application Examples:

• Smart Agriculture: Optimization of fertilization plans based on precise pH value data.
• Soil Research: Supporting research projects through detailed soil analyses.
• Environmental Protection: Monitoring soil to prevent over-fertilization and maintain soil quality.
• Climate Research: Collecting soil and climate data to support scientific studies.
• Irrigation Control: Adjusting irrigation based on soil temperature and pH value data.

Links and Download:

• Dragino Wiki

Technical Specifications:

• Manufacturer: Dragino 
• Manufacturer SKU: SPH01-LS-EU868
• Microcontroller: 
  • MCU: 48 MHz ARM 
  • Flash: 256KB 
  • RAM: 64KB 
• General DC Characteristics:
  • Supply Voltage: 0.9W solar panel and built-in battery
• Operating Temperature: -40 ~ 85°C
• Soil pH:
• Range: 3 ~ 10 pH
• Resolution: 0.01 pH
• Accuracy: ±2% (0 ~ 50°C; accuracy decreases below 0°C due to freezing)
• Temperature Compensation Range: 0 ~ 50°C
• Protection Class: IP68
• Cable Length: 3.5 meters
• Soil Temperature:
• Range: -40 ~ 85°C
• Resolution: 0.1°C
• Accuracy: <±0.5°C (-10 ~ 40°C), <±0.8°C (other ranges)
• Protection Class: IP68
• Cable Length: 3.5 meters
• LoRa Specification:
• Frequency Band: 868MHz / EU868  
• Max RF Output Power: +22 dBm
• RX Sensitivity: up to -139 dBm
• Excellent blocking immunity
• Battery:
• Type: Li-ion battery (rechargeable)
• Capacity: 3000mAh
• Power Consumption:
• Sleep Mode: 74µA at 3.8V
• LoRa Transmit Mode: 236mA at 20dBm, 206mA at 14dBm
• Dimension: 108 x 102 x 40mm
• Weight: 531g

Scope of Delivery:

• 1x SPH01-LS LoRaWAN Soil pH Sensor 868MHz with Solar