原理
soil NPK PH EC Temperature Moisture sensor
输出
RS485,4-20mA, 0-5V,0-2.5V,
品名
RS485 TEMP Humidity EC PH Salinity NPK Sensor
电压-电源
DC7-30V(standard),DC5V available
NPK range
1-2000 mg/kg(mg/L)
Temperature range
-40℃-80℃
Moisture range
0-60%RH(volumetric water content)
Salinity range
0-10000mg/L