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SPH01-LB LoRaWAN® Soil pH Sensor
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SPH01-LS LoRaWAN® Soil pH Sensor
SPH01-LS LoRaWAN® Soil pH Sensor
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SPH01-LB LoRaWAN® Soil pH Sensor

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The Dragino SPH01-LB LoRaWAN® Soil pH Sensor is a professional-grade agricultural IoT device designed to monitor soil pH and soil temperature with high accuracy. It enables farmers, agronomists, and agri-tech solution providers to measure soil acidity or alkalinity in real time and transmit the data to an IoT platform via LoRaWAN® networks.

The sensor probe uses a solid AgCl reference electrode and pure metal pH-sensitive electrode, ensuring stable and reliable measurements even during long-term underground deployment. The probe is IP68 waterproof and can be buried in soil for continuous monitoring.

SPH01-LB is powered by a high-capacity 8500mAh Li/SOCl2 battery designed for long-term field use of up to 5 years, depending on reporting interval. With ultra-low power consumption and long-range LoRa communication, it is ideal for remote agricultural deployments. The device supports Bluetooth v5.1 configuration and wireless OTA firmware updates for easy setup and maintenance.

Each SPH01-LB comes preloaded with unique LoRaWAN® OTAA keys for secure network registration and automatic connection after activation. AIoTkart® supplies genuine Dragino SPH01-LB sensors in India with complete support for smart agriculture deployments.

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  • LoRaWAN® 1.0.3 Class A compliant
  • Measures soil pH with temperature compensation
  • Measures soil temperature
  • High-precision solid AgCl reference electrode
  • IP68 waterproof soil probe (3.5m cable)
  • IP66 rated enclosure
  • 8500mAh Li/SOCl2 battery (long-life)
  • Ultra-low power consumption
  • User-supported pH calibration
  • Bluetooth v5.1 configuration
  • Remote configuration via LoRaWAN® downlink
  • Wireless OTA firmware upgrade
  • Battery level monitoring

Electrical Characteristics

  • Power Supply: Built-in 8500mAh Li/SOCl2 battery
  • Supply Voltage: 2.5V ~ 3.6V
  • Operating Temperature: -40°C to 85°C
  • Self-Discharge: <1% per year @ 25°C
  • Max Continuous Current: 130mA
  • Max Boost Current: 2A (1 second)

Soil pH Measurement

  • Range: 3 ~ 10 pH
  • Resolution: 0.01 pH
  • Accuracy: ±2% (0~50°C; reduced accuracy below 0°C due to freezing)
  • Temperature Compensation Range: 0 ~ 50°C
  • Protection: IP68
  • Probe Cable Length: 3.5 meters

Soil Temperature Measurement

  • Range: -40°C ~ 85°C
  • Resolution: 0.1°C
  • Accuracy:
    • < ±0.5°C (-10°C ~ 40°C)
    • < ±0.8°C (others)
  • Protection: IP68
  • Probe Cable Length: 3.5 meters

LoRa Specifications

  • Frequency Range: 862 ~ 1020 MHz
  • Max RF Output: +22 dBm
  • RX Sensitivity: Down to -139 dBm
  • Protocol: LoRaWAN® 1.0.3 Class A
  • Supported Bands: CN470 / EU433 / KR920 / US915 / EU868 / AS923 / AU915 / IN865

Power Consumption

  • Sleep Mode: 5µA @ 3.3V
  • LoRa Transmit Mode: 125mA @ 20dBm / 82mA @ 14dBm

Physical Specifications

  • Enclosure Protection: IP66
  • Probe Protection: IP68
  • Device Size: 195 × 125 × 55 mm
  • Weight: 420 g

The Dragino SPH01-LB is ideal for:

  • Smart Agriculture
  • Precision Farming
  • Soil Health Monitoring
  • Irrigation Optimization
  • Greenhouse Monitoring
  • Crop Research Projects
  • Fertilizer Management Systems

With the built-in 8500mAh Li/SOCl2 battery, SPH01-LB can operate for up to 5 years depending on transmission frequency.

Yes. The IP68-rated probe is designed for long-term underground installation.

Yes. Users can perform pH calibration to maintain measurement accuracy over time.

Documents

SPH01-LB_User_Manual

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SPH01-LB_Firmware 

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SPH01-LB_Datasheet

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