DFRobot MODBUS-RTU RS485 4-in-1 Soil Moisture, Temperature, pH & EC Sensor (IP68, 5-30V)

DFRobotSKU: RB-Dfr-1660
Manufacturer #: SEN0604

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Sale price $95.83

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Description

  • DFRobot MODBUS-RTU RS485 4-in-1 Soil Moisture, Temperature, pH & EC Sensor (IP68, 5-30V)
  • Accommodates wide voltage power supply of 5-30V
  • Transmits data via reliable RS485 MODBUS-RTU protocol
  • Boasts IP68 protection, rust-proof and waterproof
  • Compatible with Arduino UNO R3
  • Features automatic temperature compensation for conductivity

The DFRobot MODBUS-RTU RS485 4-in-1 Soil Moisture, Temperature, pH & EC Sensor (IP68, 5-30V) provides rapid access to soil temperature, humidity, electrical conductivity (EC), and pH data, facilitating optimal irrigation timing and quantity for plants, thereby ensuring the best growing environment. It accommodates a wide voltage power supply of 5-30V and transmits data via RS485, utilizing the reliable MODBUS-RTU protocol. The response of the soil sensor is swift, with stable and reliable output. Compatibility with Arduino UNO R3 and TTL to 485 expansion board allows for swift test environment setup.

The soil sensor boasts an IP68 protection level, vacuum-filled and sealed with black flame-retardant epoxy resin. The probe, crafted from 316 stainless steel, offers rust-proof, waterproof, anti-corrosion, salt-alkali corrosion resistance, and long-term electrolysis resistance properties. Its performance is influenced by the soil salt content. Compact in size, it can be buried in the soil for extended periods and is compatible with various soil types.

The soil sensor features an automatic temperature compensation function for conductivity, ensuring measurement accuracy regardless of environmental changes. Its applications span across agricultural irrigation, greenhouses, floriculture and vegetable farming, grassland pastures, rapid soil testing, plant cultivation, scientific experiments, grain storage, and the measurement of moisture content and temperature of various particulate matter.

Soil temperature and moisture directly influence plant growth and nutrient absorption. Soil electrical conductivity (EC) represents soil salinity, a crucial indicator of soil fertility and health. High soil salt content hinders water absorption by plants. Soil pH, or “soil reaction”, is an acid-base reaction of the soil solution, dependent on the concentration of hydrogen ions.

  • 1x RS485 Soil Sensor (Temperature & Humidity & EC & pH)
  • 123 x 45 x 15 mm
  • Power supply voltage: DC5-30V
  • Power consumption: 0.5W at 24V
  • Output mode: RS485
  • Detection parameters: Temperature, Humidity, Electrical Conductivity (EC), pH
  • Humidity measurement range: 0-100%
  • Humidity resolution: 0.1%
  • Humidity accuracy: ±2% for 0-50%, ±3% for 50-100%
  • Temperature measurement range: -40°C to +80°C
  • Temperature resolution: 0.1°C
  • Temperature accuracy: ±0.5°C
  • EC measurement range: 0-20000us/cm
  • EC resolution: 1us/cm
  • EC accuracy: ±3%FS for 0-10000us/cm, ±5%FS for 10000-20000us/cm
  • EC temperature compensation range: 0-50°C
  • pH measurement range: 3-9pH
  • pH resolution: 0.1pH
  • Protection level: IP68
  • Probe material: Anti-corrosion special electrode
  • Sealing material: Black flame retardant epoxy resin
  • Working temperature: -20°C to +60°C
  • Cable length: 2m

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