DF ROBOT Industrial RS485 Water Quality Ammonia Nitrogen & pH Sensor (MPN:SEN0711)

DF ROBOT Industrial RS485 Water Quality Ammonia Nitrogen & pH Sensor

This industrial-grade ammonia nitrogen sensor probe and housing feature an integrated design, resulting in a simple and convenient structure. It is used for accurately measuring ammonia nitrogen concentration in water (including free ammonia (NH3) and ammonium ions (NH4+)), with a measurement range of 0~100 mg/L, a resolution of 0.01 mg/L, and an accuracy of ±3% FS.

User Manual / Datasheet / Example Codes Etc.

Features

• Simple calibration function, supporting two-point electrode calibration
• Measurement range: 0~100 mg/L, resolution: 0.01 mg/L, accuracy: ±3%FS
• Integrated probe housing design, waterproof rating up to IP68
• Features automatic pH and temperature compensation to ensure measurement accuracy
• RS485 communication interface, supporting ModBus-RTU protocol

Applications

• High-Density Aquaculture: Monitor toxic free ammonia levels in fish and shrimp farming tanks in real-time, triggering automated water exchange or aeration systems before livestock is harmed.
• Municipal Wastewater Treatment: Deploy in aeration basins to measure nitrification processes, optimizing blower power consumption based on exact ammonia reduction metrics.
• Environmental & Ecological Monitoring: Submerge in rivers, lakes, or reservoirs to track agricultural runoff and pollution levels, utilizing LoRaWAN for long-range, continuous ecological data collection.
• Smart Hydroponics & Aquaponics: Track nutrient availability within closed-loop irrigation systems, ensuring optimal plant uptake and preventing root burn from ammonia spikes.

Specifications

• Power Supply Voltage: 10~30V DC
• Power Consumption: 0.3W
• Communication Interface: RS485 (Standard ModBus-RTU protocol)
• Measurement Range:
• Ammonia Nitrogen: 0~100 mg/L
• pH: 0~14 pH
• Temperature: 0°C~+60°C
• Measurement Accuracy:
• Ammonia Nitrogen: ±3%FS
• pH: ±0.15 pH
• Temperature: ±0.5°C
• Resolution:
• Ammonia Nitrogen: 0.01 mg/L
• pH: 0.01 pH
• Temperature: 0.1°C
• Repeatability Error: 1%
• Temperature Compensation Range: 0°C~+60°C
• Response Time: ＜30S
• Operating Temperature: 0°C~+50°C
• Waterproof Rating: IP68
• Pressure Resistance: 0.2MPa
• Cable Length: 5m
• Housing Material: Corrosion-resistant plastic

Package Includes

• RS485 Water Quality Ammonia Nitrogen&pH Sensor x1
• 5m sensor cable x1
• Black protective mesh x1
• Cable ties x2