Soil NPK PH Sensor, Waterproof IP68, 5m Cable -, Quick Response Time, Ideal for and Greenhouse 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

• 【 】: Features 304 stainless steel with non electrolytic isolation and resin casting, enhancing salt alkali resistance for long-term durability.
• 【Multi-Parameter Sensing】: Integrates soil temperature, , NPK content, and conductivity sensors for comprehensive soil and accurate monitoring results.
• 【Waterproof Design】: IP68 rated for full waterproof and protection, suitable for continuous soil burial or direct water immersion without performance loss.
• 【Easy Installation】: Comes with a 5-meter cable and RS485 ModBus communication protocol, allowing seamless connection to PLCs and programmable data collectors.
• 【Wide Application】: Perfect for scientific experiments, irrigation management, greenhouse cultivation, and soil quality monitoring to promote plant growth.