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Secondary Water Supply Online Water Quality Monitoring Case: Real-Time Pump Room Outlet Supervision
Project Location: Residential secondary water supply pump room
Application: Tank outlet / pump room supply pipeline monitoring
Parameters: residual chlorine, turbidity, pH, temperature
Project Type: smart water / property water quality supervision / system integration
Project Background
In high-rise residential buildings, municipal water often passes through a tank or reservoir before being pressurized and delivered to users. For property managers and water utilities, the risk is not only pressure stability; the more sensitive issue is whether outlet water quality remains traceable and stable. This site previously relied on manual sampling, which could not cover night time, holidays, tank cleaning or pipeline disturbance periods.
Site Situation
The monitoring unit was installed on a wall-mounted panel. Sensors, flow cells, controller and sampling tubes were arranged together, so operators can view readings on site and maintain probes without modifying the main pipeline frequently.
YexSensor Solution
YexSensor supplied an online multi-parameter monitoring unit for residual chlorine, turbidity, pH and temperature. The controller supports local display, alarm output and RS485 Modbus communication for PLC, RTU or smart water platforms.
| Configuration | Function |
|---|---|
| Online residual chlorine sensor | Monitors disinfectant residual and detects low chlorine or dosing abnormality |
| Online turbidity sensor | Detects cloudy water, pipeline disturbance or residue after tank cleaning |
| Online pH sensor | Tracks acidity and alkalinity for water stability analysis |
| Temperature monitoring | Supports trend analysis and compensation |
| Multi-parameter controller | Displays readings and provides alarm / communication output |
| Wall-mounted flow cell | Keeps sampling flow stable and simplifies maintenance |
| RS485 Modbus interface | Connects to PLC, RTU or smart water platform |
Project Result
After installation, the property team can continuously check water quality trends at the pump room outlet. During tank cleaning, pipeline maintenance or user complaint investigation, online data gives operators a clearer basis than a single manual test result.
Application Scenarios
The solution is suitable for residential pump rooms, schools, hospitals, hotels, commercial complexes, municipal terminal water quality points, smart water front-end stations and secondary water supply equipment packages.
Selection Advice
For secondary water supply projects, it is usually more practical to start with residual chlorine, turbidity, pH and temperature. If several pump rooms are managed together, use unified sensor models, controller interfaces and Modbus register maps to simplify platform integration and maintenance.
Summary
This project upgrades periodic manual checking into continuous online monitoring. For property companies, water utilities and system integrators, the value is easier troubleshooting, more traceable data and a compact system that can be standardized for similar pump room projects.
