CS6720D Digital Nitrate Ion Sensor

Short Description:

Digital Nitrate Ion Sensor is an online ion‑selective electrode (ISE) device for continuous measurement of nitrate‑nitrogen (NO₃⁻‑N) concentration in water. It operates on a PVC or polymer membrane ISE principle, combined with an integrated reference electrode and automatic temperature compensation (ATC), delivering accurate, drift‑free readings. The sensor directly outputs measurement data via RS‑485 (Modbus RTU), enabling plug‑and‑play integration into SCADA or IoT monitoring platforms. It features a durable, waterproof (IP68) body, typical range of 0–1000 mg/L, and low maintenance without reagent consumption. Common applications include drinking water safety monitoring (nitrate is regulated due to health risks), aquaculture (toxic to fish), agricultural runoff monitoring, and wastewater denitrification control. By providing real‑time nitrate data, the digital sensor helps optimize treatment processes, reduce chemical usage, ensure regulatory compliance, and protect public health and aquatic ecosystems. Compared to colorimetric analyzers, it requires no chemicals, no sample preparation, and has faster response and lower operating cost, making it essential for unattended, continuous water quality monitoring.