RK520-02 Soil moisture, temperature and EC sensor View larger

RK520-02 Soil moisture, temperature and EC sensor



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The soil moisture, temperature and CE sensor RK520-02 is integrated in the humidity, temperature and EC measurement. The stainless steel probe is inserted in the soil surface or in the soil profile for rapid testing. The product with temperature compensation to ensure measurement accuracy. The probe can be embedded permanently underground and connected to a data logger for unlimited testing.


  * High precision
  * Fast response
  * Suitable for saline-alkali soil
  * Can work long-term immersion
  * Soil properties affect little
  * Directly buried in soil
  * Widely used

Item Technical Specification
Moisture Temperature EC
Range 0-100%(m 3 /m 3) -30℃-+70℃



Accuracy ±3% ±0.3°C ±2%FS
Output Signal RS485, 0-2V
Resonse time <1S
Supply 5VDC, 12-24VDC
Effective measurement area With the center of the probe diameter is 70mm, high 70mm cylinder
Housing ABS
Dimension 71*45*16mm( probe:3* Ø3*70mm)
Operating Temperature  -40℃~ +80℃
Ingress Protection IP68
Storage  10-60℃@20%-90%RH
Probe material  316L stainless steel

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