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SPH01-LS LoRaWAN® Soil pH Sensor
SPH01-LS LoRaWAN® Soil pH Sensor
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  3. SPH01-LS LoRaWAN® Soil pH Sensor
SPH01-LB LoRaWAN® Soil pH Sensor
SPH01-LB LoRaWAN® Soil pH Sensor
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AS-01 External Temperature Probe Sensor for LHT52 (Not Inclusive of LHT52)
AS-01 External Temperature Probe Sensor for LHT52 (Not Inclusive of LHT52)
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SPH01-LS LoRaWAN® Soil pH Sensor

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The Dragino SPH01-LS LoRaWAN® Soil pH Sensor is a solar-powered agricultural IoT device designed for long-term soil monitoring applications. It accurately measures soil pH and soil temperature and transmits the data to an IoT platform via LoRaWAN® for real-time analysis of soil acidity or alkalinity levels.

The probe is constructed using a solid AgCl reference electrode and pure metal pH-sensitive electrode, ensuring stable and high-precision readings even during extended underground deployment. The probe is IP68 rated, making it suitable for permanent burial in soil under harsh environmental conditions.

SPH01-LS features long-range LoRa communication with ultra-low power consumption. It supports Bluetooth v5.1 configuration and wireless OTA firmware updates for simplified installation and remote management.

Unlike the LB version, SPH01-LS is powered by a built-in solar panel combined with a 3000mAh rechargeable Li-ion battery, enabling continuous operation for multi-year agricultural deployments with minimal maintenance.

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

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  • LoRaWAN® 1.0.3 Class A compliant
  • Solar-powered with 3000mAh rechargeable Li-ion battery
  • Measures soil pH with temperature compensation
  • Measures soil temperature
  • Solid AgCl reference electrode for stable readings
  • IP68 waterproof soil probe (3.5m cable)
  • IP66 waterproof enclosure
  • Ultra-low power consumption
  • User-supported pH calibration
  • Bluetooth v5.1 configuration support
  • Remote configuration via LoRaWAN® downlink
  • Wireless OTA firmware update
  • Battery level monitoring

Electrical Characteristics

  • Power Supply: Solar panel + 3000mAh Li-ion rechargeable battery
  • Supply Voltage: 2.5V ~ 3.6V
  • Operating Temperature: -40°C to 85°C

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-LS is ideal for:

  • Smart Agriculture
  • Precision Farming
  • Irrigation Management
  • Soil Fertility Monitoring
  • Greenhouse Automation
  • Crop Yield Optimization
  • Agricultural Research Projects

SPH01-LS is solar-powered with a 3000mAh rechargeable Li-ion battery, while SPH01-LB uses a non-rechargeable 8500mAh Li/SOCl2 battery.

Yes. With long-range LoRaWAN® communication and solar charging, SPH01-LS is ideal for remote agricultural deployments.

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

Documents

SPH01-LS_User_Manual

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SPH01-LS_Datasheet 

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SPH01-LS_Firmware 

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