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Products
Portable water quality tester
Laboratory benchtop water quality analyzer
On-line water quality monitoring equipment
Reagent consumables
Application
Boiler water
Recirculating cooling water
Drinking water/tap water
Secondary drinking water supply plant
Farmland irrigation water
Sewage/waste water
Surface water(Rivers and Lakes, etc.)
Aquaculture water
pool water
News&Case
Company News
Industry information
Case
Services
After-sale
FAQ
Data download
About
Company Profile
Qualification Patents
History
Cooperative Clients
Contact
Contact
Message
+8618189135710
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15
2026.01
What Is Chlorine Residual in Pool Water? A Practical Guide for Accurate Testing
This article explains what chlorine residual is, why it matters, how it is measured, and how professional instruments like the ERUN-SP7 portable multi-parameter water quality detector help achieve accurate and reliable results.
2026.01.15
14
2026.01
How to Measure Residual Chlorine Accurately: Balancing Microbial Safety and Water Quality
In this article, we explain how to measure residual chlorine in drinking water, compare common testing methods, and show how modern portable instruments can simplify on-site monitoring.
2026.01.14
14
2026.01
What Are the Methods of Testing Disinfectants? A Practical Guide for Water Treatment Plants
This article provides a clear, plant-focused overview of disinfectant testing methods and explains how modern portable instruments can improve disinfectant dosage control.
2026.01.14
13
2026.01
Boiler Water Sodium Ion Testing: Accurate Solutions for Power Plants
This article explains why boiler water sodium ion testing matters, explores common testing methods, and introduces a professional solution designed for laboratory-grade precision.
2026.01.13
13
2026.01
How Do You Test for Sodium Ion? Sodium Ion Detection in Nuclear Power Plants
In this article, we explain common sodium ion testing methods, relevant nuclear standards, and introduce a laboratory-grade solution designed specifically for ultra-low sodium monitoring.
2026.01.13
12
2026.01
Dissolved Oxygen in Drinking Water Standards: What You Must Know Before Testing
Understanding how dissolved oxygen is measured, controlled, and monitored can help water utilities, inspectors, and facility managers maintain safe and stable drinking water systems.
2026.01.12
12
2026.01
Why Is Dissolved Oxygen Removed from Boiler Water?
This article explains the role of dissolved oxygen in boiler water, the risks of improper control, and how accurate on-site monitoring helps protect industrial boiler systems.
2026.01.12
09
2026.01
Importance of Alkalinity in Wastewater Treatment: A Complete Guide
Understanding why alkalinity matters—and how to measure it accurately—can help wastewater plants operate efficiently and prevent costly system upsets.
2026.01.09
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