Soil NPK PH Sensor, Waterproof IP68, Stainless Steel, 5m Cable, DC 9-30V -, Quick Response, Ideal for Monitoring

Item Type: Soil NPK PH Sensor ProbeMaterial: 304 stainless steel, plasticWeight: Approx. 348g/0.77lbWaterproof Grade: IP68Size: Approx. 133x60x45mm/5.24x2.36x1.77inCable: Approx. 5m/16.40ftBuilt in Sensors: Soil temperature, soil humidity, NPK, conductivityType: RS485 (For Modbus)Power Supply Voltage: DC 9-30VLoad Capacity: Current output impedance 250ΩVoltage Output Impedance 1KΩMeasuring Range:Soil : 0-60% (volume content)Soil Temperature: -40-80℃Conductivity: 0-20000us/cmNPK: 0-2000 mg/kgAccuracy:Soil : ±3% (0-35% measurement range)±5% (35%-60% measurement range)Soil Temperature: ±0.5℃Conductivity: ±5%NPK: ±2%FSResolution:Soil : 0.1%Soil Temperature: 0.1℃Conductivity: 1us/cmNPK: 1mg/kgWorking Environment: Soil temperature -40 ℃ ~ 80 ℃; soil humidity 60%Protection Class: IP68Probe Material: 304 stainless steel, plastic, anti aluminum zinc alloy electrodeScope of Application:Scientific experiments, water saving irrigation, greenhouses, flowers and vegetables, grass pastures, soil quick measurement, plant cultivation, sewage treatment, grain storage and measurement of content and temperature of various particles.Wiring Method:Default Line Sequence:Line Color and Output SignalRed: Voltage and Current: Power positive, RS485: Power positiveBlack: A+Yellow: B-Green: Voltage and Current: Power negative, RS485: Power negativeDescription of Sensor Communication Protocol:If you are connecting multiple sensors to PLC, configuring or connecting to a programmable data collector, it is recommended to use the standard for ModBus-RTU protocol (hex sending and receiving).Standard for ModBus-RTU communication protocol1. Serial Port Format8 data bits, 1 stop bit, no parity bit, baud

• [ ]: Made with 304 stainless steel and anti aluminum zinc alloy electrodes, this sensor resists salt alkali ensuring long-term durability in harsh soil conditions.
• [Accurate Multi-Parameter Monitoring]: Measures soil nitrogen, , potassium content, pH, , temperature, and conductivity with high precision and fast data response, supporting efficient plant cultivation.
• [Waterproof and Sealed Design]: IP68 rated with resin casting and vacuum sealing offers superior waterproofing for extended soil burial or direct water immersion without performance loss.
• [Easy Integration]: Equipped with RS485 ModBus-RTU communication protocol and 5 meters cable length, enabling seamless connection to PLC or programmable data collectors for real-time monitoring.
• [Wide Application]: Perfect for scientific experiments, water-saving irrigation, greenhouses, gardens, pastures, and soil quick measurement, ensuring reliable soil condition data for various agricultural needs.