JXCT Soil NPK Sensor 5V RS485

Specifications: Power supply: 5V Only Maximum power consumption: ≤0.15W Operating temperature: -40~80℃ NPK parameters: Range: 0-1999 mg/kg(mg/L) Resolution: 1 mg/kg(mg/L) Precision: ±2%FS Response time: ≤1S Protection grade: IP68 Probe material: 316 stainless steel Sealing material: Black flame-retardant epoxy resin Default cable length: 2 meters, cable length can be customized Dimensions: 45*15*123mm Output signal: RS485