The RS485 water quality sodium ion sensor adopts the ion selective electrode method to monitor the concentration of sodium ions in water in real time. It has RS485+Modbus RTU output and is suitable for industrial networking. IP68 protection, wide temperature operation, automatic temperature compensation, strong anti-interference, low power consumption, long-term stability. No need for reagents or in-situ measurement, suitable for scenarios such as drinking water, aquaculture, industrial circulating water, boiler water, etc., to assist in water quality safety and process control.

ZW-CA-PR integrated online calcium ion sensor adopts PVC membrane-based calcium ion selective electrode to test water calcium ion content, with temperature compensation for fast, accurate and economical testing. It features RS-485/Modbus/RTU signal output, patented stable reference system, 3/4NPT easy installation and IP68 protection level, suitable for various water quality online detection.

This product is an industrial grade RS485 magnesium ion sensor that uses Modbus RTU digital communication to achieve online magnesium ion concentration meter function. Featuring high precision and corrosion resistance, it is suitable for monitoring magnesium ions in industrial wastewater, softening boiler water, and real-time analysis of water hardness. As a digital magnesium ion probe, it can be directly connected to the automation control system, which is stable and reliable, meeting the long-term operation and maintenance needs of environmental protection and industrial field for online monitoring of water quality magnesium ions.

The RS485 fluorescence chlorophyll sensor adopts advanced fluorescence technology and is designed specifically for online water quality monitoring. Built in self-cleaning brush head, effectively preventing biological attachment and achieving maintenance free long-term operation. Supports MODBUS-RTU protocol and can directly output chlorophyll-a concentration data. The IP68 protection level is suitable for freshwater, marine aquaculture, eutrophication monitoring of lakes and rivers, and water source warning. High precision 0-400ug/L range, plug and play, is an ideal choice for in-situ monitoring and environmental protection projects.

Many organic compounds in water absorb ultraviolet light. The concentration of dissolved organic pollutants can be accurately measured by detecting their absorbance at 254 nm. The ZW‑COD‑PR online COD sensor uses dual light sources: one UV light for COD measurement and one reference light for turbidity compensation. With optical path attenuation correction and algorithm optimization, it effectively reduces interference from suspended particles and provides stable and reliable measurement.

ZW-NHN-PRA is an integrated online ammonia nitrogen sensor based on a PVC membrane ammonium ion-selective electrode. It features real-time temperature compensation for fast, simple, accurate and cost-effective measurement of ammonium ions in water. The sensor supports RS‑485 and Modbus/RTU for easy integration with PLC, DCS, industrial controllers and other third‑party devices. Its patented ion probe with a slow‑leak reference system ensures high stability and extended electrode life. With 3/4 NPT threads and IP68 protection, the sensor enables easy installation in submerged, pipeline or tank environments.

The ZW-BGA-PR fluorescence method blue-green algae sensor adopts high-precision fluorescence principle, which can monitor the concentration of algae in water in real time (0-300Kcells/mL), with a reading accuracy of ± 3% and rapid response (T90<30s). Equipped with automatic temperature compensation and RS485 Modbus output, supports two-point calibration, and does not require frequent cleaning. 316L stainless steel material is corrosion-resistant and suitable for fields such as drinking water, surface water, and aquaculture.

The ZW-TB-PR integrated online turbidity sensor adopts the scattered light detection principle. During operation, a incident light beam penetrates the water sample. Turbidity particles within the sample scatter the light beam. The sensor measures the intensity of light scattered at 90 degrees to the incident path. By correlating the measured data with the built-in calibration standard, the system derives the true turbidity value. Post-processing includes linearization algorithm implementation, ensuring the final output is accurate, stable, and ready for system integration.