Multi-parameter water quality sensor – simultaneously measures salinity/conductivity/TDS/temperature / multi-function in one / reduces overall cost - AMT/YD-300
Measurement principle: 0-200mS/cm (graphite four-electrode)
Communication output: RS485 Modbus RTU
Resolution: 0.01mS/cm
Power supply: 9～28VDC, power: <0.2W
Basic error: ±2% F.S
Ambient temperature: -10～60°C
Temperature: -10~100°C
Relative humidity: not greater than 90%
Temperature error: ±0.3°C
Protection rating: IP68
Product Introduction
Four-electrode Smart Salinity Sensorfeaturing a graphite/platinum electrode structure that effectively resists polarization effects, with a measurement range of 0–200 ppt and accuracy up to ±1% FS. It includes built-in automatic temperature compensation (0–80°C) and is equipped with dual outputs of RS485 (Modbus RTU) and 4–20 mA, suitable for industrial applications such as seawater desalination, high-salinity wastewater treatment, and salt field monitoring.
Industrial-grade online salinity sensor – four-electrode design / anti-polarization / RS485+4-20mA dual output / suitable for seawater and high-salinity wastewater
Used for continuous monitoring and control of conductivity and temperature values of aqueous solutions. Widely used in power plants, petrochemical, metallurgy, paper industry, environmental protection water treatment, light industry electronics and other fields. Such as monitoring and control of raw water and product water quality in water treatment equipment like power plant cooling water, makeup water, saturated water, condensate water and boiler water, ion exchange, reverse osmosis EDL, seawater distillation, etc.
Measurement principle: 0-200mS/cm (graphite four-electrode)
Communication output: RS485 Modbus RTU
Resolution: 0.01mS/cm
Power supply: 9～28VDC, power: <0.2W
Basic error: ±2% F.S
Ambient temperature: -10～60°C
Temperature: -10~100°C
Relative humidity: not greater than 90%
Temperature error: ±0.3°C
Protection rating: IP68
Temperature compensation range: 0～60°C
Instrument weight: 0.5kg
Temperature compensation: Automatic temperature compensation (Pt1000)
External dimensions: 230x32mm
Stability: At normal pressure and temperature, drift <2% F.S per week
Installation method: Immersion installation, 3/4" NPT pipe thread
Main Application Areas
- Seawater Desalination — Monitoring salinity and conductivity in desalination processes to ensure water quality standards.
- High-Salt Wastewater Treatment — Measuring salt concentration in industrial wastewater to optimize treatment efficiency and compliance.
- Salt Field Monitoring — Tracking salinity levels in salt production fields to manage brine concentration and yield.
- Aquaculture — Maintaining optimal salinity and temperature for marine species in aquaculture systems.
Keywords：multi-parameter water quality sensor, salinity sensor, conductivity sensor, TDS sensor, temperature sensor, RS485 water quality sensor, industrial water quality sensor, AMT/YD-300
