Industrial Park Secondary Supply
Secondary-Supply Monitoring at a Printing Industrial Park in Hebei
1 / 2Project Background
A printing industrial park in Hebei supplies its tenant workforce through a secondary-supply network — where water that left the municipal main in good condition can degrade before it reaches the park's taps.
Customer Challenge
At the network's far end inside the park, residual chlorine and turbidity readings run low — below the reliable range of ordinary instruments. The park needed monitoring accurate enough at low concentrations to prove its water was truly safe.
The TENGINE Solution
The TMS-D3000 network multi-parameter analyzer was installed on the park's secondary-supply line, with a low detection limit that keeps low-level chlorine and turbidity measurements accurate where conventional devices lose resolution.
Implementation
The analyzer was deployed at the park's network monitoring point, tracking chlorine, turbidity, pH and temperature continuously.
Project Results
The park now has trustworthy low-concentration monitoring at the network end: delivered water quality is proven compliant, and every employee's drinking water is safeguarded.
Related Case Studies
Conventional chlorine instruments need frequent electrolyte and DPD reagent replacement — unaffordable at this scale. Community pump rooms are cramped, and most devices on the market cannot measure stably down at the 0.05 mg/L national limit where secondary-supply compliance is actually judged.
Secondary supply adds storage and pressurization after the municipal network, and water quality can degrade in tanks and pipes. Without online monitoring at the pump station, a quality problem would only surface at residents' taps.
Zoned supply means small chlorine fluctuations at low range — demanding real measurement precision — while day-to-day operation falls to a property team without instrument specialists. Equipment had to be highly stable and low-maintenance, and installation had to work in a cramped underground pump house.
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