Soil NPK PH Sensor IP68 Waterproof, 304 Stainless Steel, 5m Cable -, Fast Response, Ideal for and Scientific 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

• [High Performance Sensor]: Provides accurate soil nitrogen, , potassium (NPK), pH, , temperature, and conductivity readings with ±2% NPK accuracy and ±0.5℃ temperature precision for reliable agricultural monitoring.
• [Durable and ]: Made with 304 stainless steel and resin vacuum sealing to prevent electrolysis and salt alkali , ensuring long-lasting use in harsh soil and water environments.
• [Waterproof and IP68 Rated]: Fully waterproof ideal for extended dynamic monitoring when buried in soil or immersed in water, enabling versatile applications like greenhouses, irrigation, and sewage treatment.
• [Easy Integration]: Supports RS485 ModBus-RTU communication protocol with 5m cable for seamless connection to PLCs, data collectors, or automated systems, perfect for scientific experiments and precision farming.
• [User-Friendly Design]: Plug and play sensor offers quick response and instant data display, enabling efficient soil condition for farmers, gardeners, and researchers to optimize plant growth and water use.