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Soil NPK Sensor

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Principle :Electrochemistry
Output:0-2V/4-20mA/RS485
Accuracy :2%FS
Power supply:3.3~24VDC
Range :0~2000mg/L
Resolution:1mg/L
Product Description

Description:

The soil nitrogen, phosphorus and potassium three-in-one sensor (also called soil nutrient rapid tester) is suitable for detecting the content of nitrogen, phosphorus and potassium in the soil. By detecting the content of nitrogen, phosphorus and potassium in the soil, the fertility of the soil can be judged, which is convenient for systematic evaluation of the soil conditions. It can be buried in the soil for a long time, resistant to long-term electrolysis, corrosion resistance, vacuum potting, and completely waterproof. Note: The pseudo-quantity output signal can only output two of the elements. 

Features:

  • No reagents required

  • Unlimited number of tests

  • High accuracy, fast response

  • good interchangeability

  • Alloy electrode, strong impact resistance

  • Completely sealed, acid and alkali corrosion resistant

  • Can be buried in the soil for long-term dynamic detection

  • The probe insertion design ensures accurate measurement

Parameters:

 

Product

Soil NPK Sensor

Type

Digital

Voltage type

Current type

Output

RS485

0-2V

4-20mA

Operating voltage

3.324VDC

3.324VDC

7.536VDC

Power consumption

30mW@5V

20mW@5V

240mW@12V

Measuring principle

Electrochemistry

Range

02000mg/L

Resolution

1mg/L

Accuracy

2%FS

Response time

1s

Probe material

Stainless steel

Sealing material

Black flame retardant epoxy resin

Cable

Standard 2m (customizable)

Size

181.5×45×15 mm

Protection

IP68


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