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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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18
2025.12
What Is the Standard for Total Nitrogen? A Practical Guide for Water Testing
In this guide, we'll explain total nitrogen standards, why TN matters, how it’s measured, and how portable instruments like ERUN-SP7 help professionals achieve reliable results in real-world testing scenarios.
2025.12.18
17
2025.12
What Is a Good Turbidity Level for Water? Standards, Risks, and How to Test Accurately
In this article, we explain turbidity standards, why turbidity matters, what happens when levels are too high or too low, and how to measure turbidity accurately in real-world applications.
2025.12.17
17
2025.12
Is Low Turbidity Good for Fish? A Complete Water Quality Guide
In this article, we'll explain what turbidity is, how it affects fish, what turbidity levels are considered safe, and how professional tools like the ERUN-SP7 portable multi-parameter water quality detector help ensure accurate monitoring in real-world conditions.
2025.12.17
16
2025.12
How to Check Suspended Solids in Water: Methods, Standards, and Portable Testing Solutions
In this guide, we'll explain what suspended solids are, why they matter, common testing methods, and how portable instruments like the ERUN-SP7 multi-parameter water quality detector simplify on-site testing.
2025.12.16
16
2025.12
How Do TSS Affect Water Quality? Causes, Impacts, and Testing Solutions
In this article, we explain what TSS are, how they impact water quality, and how modern testing solutions like the ERUN-SP7 portable multi-parameter water quality detector help ensure reliable TSS monitoring.
2025.12.16
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
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