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  • Product Name: RK520-01 Soil Moisture & Temperature Sensor

RK520-01 Soil Moisture & Temperature Sensor to integrate the moisture and temperature measurement.The stainless steel probe is inserted into soil surface or soil profile to test soil moisture and temperature quickly. Moisture measurement part is designed on the basis of the principle of FDR, by measuring the dielectric constant of the soil in order to measure the volume of the soil moisture content, temperature part adopts precision platinum resistance element, the product built-in drift calibration and temperature compensation circuit, can adapt to most applications.The probe can be permanently embedded underground and be connected to a data logger for unlimited testing.

FEATURES

  * High precision
  * Fast response
  * Soil properties affect little
  * Directly buried in soil
  * Widely used

APPLICATIONS

  * Agriculture irrigation
  * Greenhouse
  * Grass farm
  * Environment monitoring
  * Water conservation
  * Soil testing

TECHNICAL SPECIFICATION

Item

Technical Specification

 

Moisture

Temperature

Range

0-100%(m3/m3)

-30℃- +70℃

Accuracy

±3%(0-50%)

±0.2℃

Output Signal

0-5V,0-2V, 4-20mA ,RS485 optional

Response Time

<1s

Supply

5V, 12-24VDC

Effective measurement area

With the center of the probe diameter is 70mm, high 70mm cylinder

Housing

ABS

Dimensions

71*45*16mm( probe:2* Ø3*55mm,1*Ø4*55mm)

Operating Temperature

-40℃- +80℃

Ingress Protection

IP67

Storage

10-60℃@20%-90%RH

Probe material

316L  stainless steel

DIMENSIONS

 

MOUNTING

1.Testing medium should be with uniform intensity.
2. If surface soil water content measurement, the sensor should be insert into soil  vertically.  Do not shake the sensor when inserted, otherwise the probe will be blended;
3. If multi-layer soil water content measurement, the sensor should be buried in the soil and parallel to the ground. Make sure the probe not be blended;
4. When removing sensors from the soil, please hold the sensor housing shell and do not forcibly pull on the cable. Soil on probes should be brushed tightly.
5. Please keep the sensor in dry & clean conditions.

PARAMETER SELECTIONTABLE

Remark

Series

Type

Parameter

Supply

Output

Cable Length

 

RK

 

 

 

 

 

 

 

 

520

 

 

 

 

 

 

 

 

01

 

 

 

 

 

      A       Moisture & Temperature
      B       Only Moisture (0-100%)
      C       Only Temperature (-30~+70°C)
      X       Other
        A     5V

 

 

 

 

B

 

 

12-24V

 

 

 

 

X

 

 

Other

 

 

 

 

 

A

 

4-20mA

 

 

 

 

 

B

 

0-5V

          C   0-2V

 

 

 

 

 

D

 

RS485

 

 

 

 

 

X

 

Other

 

 

 

 

 

 

2000

Units:mm(typ)

 

 

 

 

 

 

...

Units:mm

Example: RK520-01ABA2000 Moisture & Temperature, Supply: 12-24V, Output:4-20mA,Cable Length:2m.

    
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