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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
23
2026.09
Dissolved Oxygen Water Quality Tester: Portable DO Meter Selection Guide for Aquaculture (CE/ISO/RoHS Certified)
When dissolved oxygen drops below 2.5 mg/L, most fish species suffer reduced feeding and growth. This guide compares optical vs. polarographic DO sensors with real accuracy data, explains aquaculture DO thresholds, and covers CE/RoHS/ISO 9001 compliance for exporters. Includes ERUN‑SP8‑ASC‑A5 specifications.
2026.09.23
22
2026.09
Pool Water Tester Export Guide: How to Choose a Multi-Parameter Analyzer with CE, ISO 9001 & RoHS Certification
Professional pool water tester manufacturer guide: covering chlorine, pH, turbidity, and temperature measurement standards and compliance requirements. CE, ISO 9001, RoHS certified for export markets. ERUN offers multi-parameter water quality monitoring solutions.
2026.09.22
21
2026.09
Drinking Water Quality Monitoring System: Complete Export Compliance Guide
Export-ready drinking water quality monitoring system with CE, ISO 9001, and RoHS certification. ERUN-WQS-6022 monitors pH, turbidity, conductivity, and residual chlorine in real time for municipal and industrial applications.
2026.09.21
20
2026.09
Online pH Sensor Water Analyzer: The CE & RoHS Certified Choice for Industrial Water Treatment
ERUN online pH sensor water analyzer with CE, ISO 9001 & RoHS certification. Digital sensor, RS485 Modbus, auto temp compensation, IP68. Reliable 24/7 pH monitoring for water treatment, wastewater & industrial applications.
2026.09.20
18
2026.09
How to Choose a Portable Water Quality Analyzer: 2026 Field Testing Selection Guide
A practical guide for environmental companies, wastewater plant operators, and university labs on choosing a portable water quality analyzer. Compare HJ method compliance, IP rating, battery life, data traceability, and ERUN-SP7/SP9 parameters. Includes 6 FAQs and a transparent selection framework.
2026.09.18
17
2026.09
Drinking Water Turbidity Meter Export Guide: CE, ISO 9001, and RoHS Certification
China turbidity meter manufacturer guide: CE, ISO 9001, RoHS certified drinking water turbidity meters. Compare ISO 7027 vs EPA 180.1, WHO limits, portable selection.
2026.09.17
16
2026.09
Cooling Water Analyzer: pH, Turbidity & Conductivity Monitoring Guide
Industrial cooling water analyzer measuring pH, turbidity & conductivity. CE, RoHS & ISO 9001 certified. Learn key monitoring parameters, standards & product specs for export markets. ERUN manufacturer.
2026.09.16
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