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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
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25
2026.05
The Definitive Guide to Selecting a Lab-Grade BOD Analyzer for Environmental Laboratories, Wastewater Plants & Monitoring Stations in 2026
Choosing a BOD analyzer for your environmental lab, wastewater plant, or monitoring station?
2026.05.25
22
2026.05
Online Turbidity and Suspended Solids Monitor for Water & Wastewater Treatment
Certified online turbidity and suspended solids monitor with dual-range measurement (0.01–4,000 NTU), self-cleaning brush, RS485 Modbus, IP68 & 316SS. CE, RoHS, ISO 9001 approved.
2026.05.22
21
2026.05
Why Accurate Online Water Hardness Monitoring Is Critical for Boilers & Softening Systems
ERUN online water hardness analyzer uses titration colorimetric technology for real‑time CaCO₃ monitoring (0.2‑500 ppm).
2026.05.21
20
2026.05
Blue-Green Algae & Chlorophyll-a Sensor: The Ultimate 2-in-1 Solution for Harmful Algal Bloom Monitoring
Professional 2-in-1 blue-green algae and chlorophyll-a sensor for real-time HAB monitoring. Dual-channel fluorescence with 0–500 μg/L chlorophyll and 200–300k cells/mL cyanobacteria detection.
2026.05.20
19
2026.05
Master the Field: Why ERUN-SP4 Is the Ultimate Portable Multi‑Parameter Water Quality Meter
ERUN-SP4 Portable Multi‑Parameter Water Quality Meter measures COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity via spectrophotometry. Trusted by environmental monitoring agencies and water authorities. Optical + electrode methods, 500g, Type‑C rechargeable.
2026.05.19
18
2026.05
Online Residual Chlorine/Total Chlorine Analyzer: DPD vs. Amperometric Technology Comparison & Selection Guide (2025 Updated)
Choosing an online residual chlorine/total chlorine analyzer for your municipal water plant or industrial facility? This comprehensive guide compares DPD colorimetric vs. amperometric electrode technologies, covering EPA/WHO compliance, maintenance costs, and key selection criteria. Discover ERUN‘s K6H online analyzer.
2026.05.18
15
2026.05
Buoy-Based Automatic Water Quality Monitoring Systems: The Smart Solution for Surface Water Management
Learn key selection criteria, technical features, and discover the ERUN-SZ3-FB109S small buoy online analyser for reliable surface water monitoring.
2026.05.15
14
2026.05
Why Total Organic Carbon (TOC) Analysis Is Critical for Modern Water Quality Management
Looking for a reliable TOC analyzer? Learn how Total Organic Carbon analysis works, key selection criteria
2026.05.14
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