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    Picture of Water Quality Nitrate Ion Sensor, 0.5~62000 ppm Picture of Water Quality Nitrate Ion Sensor, 0.5~62000 ppm Picture of Water Quality Nitrate Ion Sensor, 0.5~62000 ppm

    Water Quality Nitrate Ion Sensor, 0.5~62000 ppm

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    SKU: SUCH-WQS-Nitrate
    $584.99
    ● 0.5~62000 ppm (mg/L) ● 0.01 ppm resolution ● RS485 (MODBUS-RTU) ● 2.5~11 pH usage range
    🚚 Free shipping
    🕒 Delivery date: 6-12 days
    🔁 30-day Returns
    Overview

    The high-precision water quality nitrate ion sensor has a range of 0.5 to 62000 ppm (mg/L) with a resolution as high as 0.01 ppm, enabling stable operation across diverse water environments including drinking water, wastewater, and surface water. The water sensor employs a highly sensitive ion-selective electrode structure with rapid response, supporting automatic or manual temperature compensation. Its RS485 (Modbus-RTU) communication interface ensures reliable and consistent long-term measurement results.

    Feature

    Nitrate sensor feature

    • Ultra-wide Measurement Range: The nitrate ion sensor covers a measurement range of 0.5 to 62,000 ppm, with a resolution of 0.01 ppm, meeting the demands for precision monitoring across diverse scenarios.
    • Strong Anti-interference Capability: Effectively suppresses interference from perchlorate, iodide, cyanide, tetrafluoroborate, chloride, nitrite, and organic acid ions, ensuring reliable and credible measurement results in complex water bodies.
    • Rapid Response: The SUCH water quality nitrate sensor achieves 95% response within 30 seconds with excellent repeatability, making it ideal for continuous online water analysis.
    • Intelligent Temperature Compensation: Supports automatic/manual temperature compensation, maintaining high measurement accuracy across wide temperature ranges.

    Dimension (unit: mm)

    Nitrate sensor dimension

    Wiring Diagram

    Item Color Function Description
    Data Transmission Yellow Wire RS485 Communication T/R+ (A)
    Data Transmission White Wire RS485 Communication T/R− (B)
    Power Supply Red Wire DC Power Supply Positive
    Power Supply Black Wire DC Power Supply Ground


    Usage Scenarios

    Nitrate sensor usage scenarios

    Specs
    Measurement Range 0.5 ~ 62000 ppm
    Resolution 0.01 ppm
    Measurement Accuracy ±5% FS
    Resolution (Temperature) 0.1 °C
    Temperature Accuracy ±0.5 °C
    Slope 55 ± 3 mV
    Repeatability ±2%
    Interference Perchlorate, iodide, cyanide, tetrafluoroborate, chloride, nitrite, and organic acid ions
    Temperature Range -10.0 ~110.0 °C
    Pressure Range 0–2 atm
    Response Speed 95% response in 30 seconds
    Temperature Compensation Auto/manual
    Communication Interface RS-485 (MODBUS-RTU communication protocol)
    Operating Power Supply 9 to 27 VDC
    Isolation Strength 2500 Vrms
    Product Power Approx. 0.5W
    pH Usage Range 2.5–11 pH
    Output Impedance 20–50 MΩ
    Temperature Compensation Thermistor NTC10K
    Calibration Method One-point, two-point
    Detection Limit 10 ppm NO₃⁻
    Reference System Dual-liquid interface, non-porous ceramic liquid junction
    Product Material PPS housing
    Connector Terminal
    Online Use Yes
    Application Detection of nitrate ions in drinking water, wastewater, surface water, seawater, ores, soil, food, and boiler circulating water
    Storage Long-term: Store in dry conditions
    Short-term: Store in standard nitrate reference solution
    Maintenance Sample containing ions: Treat water samples with standard nitrate reference solution
    Installation Method 3/4-inch front/rear threads
    Application

    Water quality sensor for agricultural irrigation

    Agricultural Irrigation

    Water quality sensor for municipal sewage

    Municipal Wastewater

    Water quality sensor for drinking water

    Drinking Water

    FAQ
    ❯

    This water quality sensor supports long-term online monitoring. It features automatic temperature compensation and excellent stability, making it suitable for installation in water quality online monitoring systems or unattended monitoring stations.

    ❯

    The nitrate ion sensor is suitable for surface water, groundwater, tap water, treated wastewater effluent, and agricultural irrigation water. It continuously monitors NO₃⁻ concentration changes to meet environmental protection and water quality management requirements.

    ❯

    The nitrate ion sensor typically employs an immersion installation method. It can be secured in pipes or tanks using a 3/4 NPT thread, ensuring the electrode is fully submerged and maintaining stable water flow.

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