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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
2024.01
What is the purpose of industrial boiler water supply test?
In China's industrial boiler is widely used in chemical industry, food, brewing, heating, paper making, printing and dyeing, rubber and other industries. So, what is the purpose of these industrial boiler water supply testing?
2024.01.25
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
14
2026.04
Are Portable Water Quality Analyzers Reliable? A Deep Dive into Mobile Monitoring
Explore the pros and cons of portable water quality analyzers. Learn how the ERUN-SP9 mobile monitoring station provides lab-grade accuracy for field-based water testing.
2026.04.14
14
2026.04
Online Residual Chlorine Sensor vs. Traditional DPD Method: Which One Delivers Faster and More Reliable Water Quality Monitoring?
Compare amperometric vs DPD chlorine sensors for drinking water, wastewater, and industrial applications.
2026.04.14
13
2026.04
Water Quality Conductivity Sensor: Principles, Selection & Maintenance Guide | ERUN
This is a comprehensive guide to water quality conductivity sensors, covering core working principles, how to pick the ideal sensor for different scenarios, as well as professional maintenance methods to extend sensor lifespan.
2026.04.13
13
2026.04
​Fluorescence DO Sensor & pH Electrode: Precision Water Quality Monitoring for Industrial Applications
Professional fluorescence dissolved oxygen sensor and pH electrode for water quality monitoring. RS485 Modbus, IP68, no calibration required. Ideal for wastewater and aquaculture.
2026.04.13
10
2026.04
Online pH/ORP/DO Sensors: Industrial Essentials for Global Water Control | Erun Environmental
Erun Environmental’s digital pH, ORP, and dissolved oxygen (DO) sensors offer long service life, high temperature/corrosion resistance, MODBUS/RS485 connectivity, and maintenance-free operation—ideal for aquaculture, wastewater, electroplating, and chemical industries.
2026.04.10
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