Soil NPK measuring instrument probe rs485 soil NPK sensor garden and test
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NPK Popular soil measuring instrument probe RS485 Soil NPK Sensor for Garden and Agricultural testing

Soil NPK Sensor:

Soil nitrogen, phosphorus and potassium sensor is suitable for detecting the content of nitrogen, phosphorus and potassium in soil. It can judge the fertility degree of soil by detecting the content of nitrogen, phosphorus and potassium in soil, thus facilitating the systematic evaluation of soil conditions by customers.

Important Reminder:
The measurement of NPK adopts the general rapid detection method, so there are certain error, Use with caution for planting reference.However, the sensor supports the function of writing NPK data. You can use standard instruments to measure NPK then write in to provide data for monitoring system.

Soil parameters measuring:

  • Nitrogen, Phosphorus, Potassium
  • Measuring range: 1-1999 mg/kg(mg/L)
  • Resolution:1 mg/kg(mg/L)
  • Accuracy: ±2%
  • Response time: <1S


  • Three 316L Needle Probe
  • High Stability High Accuracy
  • Fast Response
  • Easy Installation
  • Directly Buried in Soil
  • Widly Application

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