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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
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22
2026.04
Portable Heavy Metal Analyzer for Water Testing | ERUN-SP7
This article highlights the critical necessity of water heavy metal testing, breaks down limitations of traditional laboratory methods, and introduces the ERUN-SP7 portable heavy metal analyzer. It delivers rapid, accurate on-site detection via advanced electrochemical technology, empowering global users to protect water safety and public health.
2026.04.22
21
2026.04
Essential Guide to Residual Chlorine Monitoring: Why Online Detection Is the Future
Accurate online residual chlorine sensor ERUN-K6I with constant voltage method. Flow-through design, auto temperature compensation, Modbus communication. Perfect for water treatment & cooling systems. Click for specs.
2026.04.21
21
2026.04
What Is Water Turbidity? Complete Guide to Industrial Online Turbidity Sensors & Meters
Complete guide to industrial online turbidity monitoring sensors & meters. Features 0-1000 NTU high-precision detection, widely used for drinking water, wastewater and natural water quality monitoring in global emerging markets.
2026.04.21
20
2026.04
Essential Guide to E. coli Detection in Water: Why Portable Testing Is the Future
Portable Water Quality Microbial (E. coli) Detector ERUN-SP3-L – On-Site Testing
2026.04.20
20
2026.04
How to Select Suitable pH/ORP Electrodes? Full-Scenario Water Quality Monitoring Application Guide
pH and ORP value are core parameters for water safety, process stability and sewage compliance. This article shares professional selection standards, technical advantages and full-industry application scenarios of online & portable pH/ORP sensors for water quality monitoring.
2026.04.20
17
2026.04
Must-See! Residual Chlorine & Chlorine Dioxide Detection Guide | Disinfection Compliance + Safety in One Article
Erun Environmental Protection, focusing on water quality detection for many years, making residual chlorine and chlorine dioxide detection more accurate and worry-free, helping enterprises operate in compliance!
2026.04.17
16
2026.04
High-Precision Water Quality Analysis: ERUN-ST7 & SP7 Series for Industrial and Environmental Monitoring
Reliable water quality analysis solutions by ERUN. Features the ST7 lab analyzer and SP7 portable kit with 100,000-record data storage and dual optical/electrode methods. Perfect for industrial wastewater, drinking water, and boiler water monitoring.
2026.04.16
15
2026.04
Portable Multi-Parameter Water Quality Analyzer: A Game-Changer for On-Site Testing in Emerging Markets
Portable multi-parameter water quality analyzers deliver fast, accurate on‑site testing for aquaculture, agriculture, and environmental monitoring in emerging markets.
2026.04.15
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