Soil sensor วัดความชื้นในดินอุณหภูมิความชื้น EC PH NPK (4-20mA 0-5V RS485 Modbus)

Measure items

Parameters

Temperature

ŸMeasuring range: -40℃-80℃

ŸAccuracy: ±5℃ (25℃)

ŸLong-term stability: ≤0.1%℃/y

ŸResponse time: ≤15s

Humidity

ŸMeasuring range: 0-100%RH

ŸAccuracy: 2% within 0-50%, 3% within 50-100%

ŸLong-term stability: ≤1%RH/y

ŸResponse time: ≤4s

Conductivity
(EC)

ŸMeasuring range: 0-20000us/cm

ŸAccuracy: ±3% (0-10000 us/cm); ±5% (10000-20000 us/cm)

ŸLong-term stability: ≤1%uS/cm

ŸResponse time: ≤1s

PH

ŸMeasuring range: 3-9 PH

ŸAccuracy: ±0.3PH

ŸLong-term stability: ≤5%/year

ŸResponse time: ≤10S

Nitrogen

Phosphorus

Potassium

ŸMeasuring range: 1-1999 mg/kg(mg/L)

ŸResolution：1 mg/kg(mg/L)

ŸResponse time: ＜1S

Power supply

DC4.5-30V

Max Power consumption

0.5W@24V DC

Protection class

IP68, long-term immersion in water use

Cable length

Default is 2m (can be customized)

Operating environment

-40℃-80℃

Overall dimensions

45* 15 * 123mm

Output

RS485/4-20mA/0-5V/0-10V