5 Layers – 7 In 1 Soil Moisture Temp EC Salinity NPK Sensor (RS485)

Need Rs485/Lorawan Node
Measurement parameters: Soil temperature moisture EC salinity N,P,K
Soil moisture measure range : 0 ~ 100%(m3/m3)
Soil moisture resolution : 0.1%
Soil moisture accuracy : +-2%
Soil temperature range : -40~80℃
Soil temperature resolution : 0.1℃
Soil temperature accuracy : ±0.5℃
Soil Salinity measure range : 0~20000us/cm
Soil salinity resolution : 10us/cm
Soil salinity accuracy : ±2% (0-10000us/cm); ±3% (10000-20000us/cm)
Soil NPK measure range : 0~1999mg/kg (mg/l)
Soil NPK resolution : 1 mg/kg(mg/L)
Soil NPK accuracy : ±2%FS
Soil EC measure range : 0~20000us/cm
Soil EC accuracy : ±3% (0-10000us/cm); ±5% (10000-20000us/cm)
Soil EC resolution : 10us/cm
Soil PH measure range : 3 ~ 9 PH
Soil PH accuracy : ±0.3PH
Soil PH resolution : 0.1PH