Датчик влажности почвы от 4 до 20 мА датчик объем содержание влаги подходит для

Датчик влажности почвы от 4 до 20 мА датчик объем содержание влаги подходит для

4-20mA Soil Moisture Sensor Soil Humidity Sensor Soil Volume Moisture Content

Important NOTE before you order

this product has FOUR outputs, pls leave us a message or remark at the order when you bid, or we'll send 4~20mA in default if you don't remark, thank you for your cooperation=)

1: current type 4~20mA

2: voltage type 0~2V

3: current type 0~20mA

4: voltage type 0.4~2V

Technical Parameters 

Measuring principle: FDR frequency-domain method

Unit: %

Range: 0~100%

Probe length: 5.5cm 

Probe Diameter: 3mm 

Probe material: stainless steel 

Sealing material: Epoxy

Accuracy: ± 3% 

Operating temperature range: -40C ~ 85C 

Working voltage: 7~24V

Working current : 25~35mA, typical 28mA   

Measuring frequency:100Mhz

Signal output:

Voltage type 0~2VDC

Current type 0~20mA

Measuring steady time: 2 seconds

Response time <1 second

Measurement area: central probe as the center, around the central diameter of the probe 7cm, the cylindrical high 7cm 

Cable length: 1.5 m (standard)

Functions and Features 

This sensor is a compact design, easy to carry, install, operate and maintain

Reasonable structure design, stainless steel probe life assurance

Outside sealed with pure epoxy resin colloid, well sealed, can directly bury into soil to use without corrosion.

The quality of soil is less affected, widespread application areas

High accuracy, reliable performance, ensure the normal work 

Fast response, high data transmission efficiency

Application Scope

Widely applied in the field of water-saving irrigation, greenhouse vegetables, flowers, gardening, grass pastures, soil-speed measurement, plant cultivation, scientific testing, etc.