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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
2025.12
What Is a Good Nitrate Level for Water? Safe Limits & Testing Guide
In this article, we'll explain safe nitrate levels, why nitrates matter, where they come from, and how to test them accurately using professional water quality instruments such as the ERUN-SP7 portable multi-parameter water quality detector.
2025.12.15
15
2025.12
What Are Nitrates in Water? Causes, Risks, and How to Test Accurately
This article explains what nitrates in water are, why they matter, acceptable nitrate levels, and how modern water testing instruments like the ERUN-SP7 portable multi-parameter water quality detector help professionals monitor nitrate contamination efficiently.
2025.12.15
12
2025.12
How to Calculate BOD in Wastewater: A Complete Guide for Accurate Monitoring
In this article, we explain what BOD means, how it is calculated, different formulas used, variables that influence results, and how modern devices such as the ERUN-SLBOD-B BOD Analyzer greatly simplify the process while improving accuracy.
2025.12.12
12
2025.12
What Is BOD in Water Testing? A Complete Guide for Accurate Water Quality Analysis
Modern digital instruments, such as the ERUN-SLBOD-B BOD Detector, make this process more reliable, automated, and compliant with environmental standards. This article explores what BOD is, why it matters, how it's measured, and why advanced instruments can dramatically improve your water testing efficiency.
2025.12.12
11
2025.12
Which is More Important, Alkalinity or pH? Key Insights for Water Quality
Understanding the importance of both and how to measure them accurately can prevent issues such as corrosion, scaling, and ineffective disinfection. Modern multi-parameter instruments, such as the ERUN-SP7, make it easier than ever to monitor these parameters efficiently in real time.
2025.12.11
11
2025.12
Why Test Alkalinity in Drinking Water? A Practical Guide for Better Water Quality
This guide explains why alkalinity testing matters, how it impacts households and industries, and why professional tools like the ERUN-SP7 Portable Multi-Parameter Water Quality Detector offer a more reliable testing experience.
2025.12.11
10
2025.12
Why Is Ozone Important in Water Treatment? Key Benefits You Should Know
This article explains why ozone is essential in water treatment, how it improves water quality, and why accurate ozone measurement using advanced tools—such as the ERUN-SP7 portable multi-parameter water quality detector—is critical for consistent and compliant water operations.
2025.12.10
10
2025.12
How Do You Test for Ozone in Water? A Complete Guide with ERUN-SP7
This article explains the major ozone-in-water testing methods, compares their accuracy, and shows how the ERUN-SP7 Portable Multi-Parameter Water Quality Detector simplifies ozone detection across multiple industries.
2025.12.10
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