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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
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10
2026.08
Online Water Hardness Analyzer for Boiler Water & Softening Systems – CE, ISO 9001, RoHS Certified
ERUN-SZ-3085S online water hardness analyzer with CE, ISO 9001 & RoHS certifications. Titration colorimetry, 0.2–500 ppm range, automatic cleaning. Ideal for boiler water & water softening systems. Get a quote today.
2026.08.10
07
2026.08
Portable Multi‑Parameter Water Quality Meter: Detect pH, Turbidity, Conductivity, Chlorine, DO, COD & Hardness with CE, RoHS, ISO 9001 Certification
CE, RoHS & ISO 9001 certified portable multi-parameter water quality meter detects pH, turbidity, conductivity, residual chlorine, DO, COD, hardness & 60+ parameters. Ideal for drinking water, wastewater & field testing. Get specs now.
2026.08.07
06
2026.08
Online Chloride Ion Sensor 1.8~35500ppm | CE ISO RoHS Certified for Water Quality Monitoring
ERUN's online chloride ion sensor offers 1.8~35500ppm range, ±5% accuracy, IP68 rating, with CE, ISO 9001 & RoHS certifications. Ideal for drinking water, wastewater, boiler water & aquaculture monitoring. Get reliable real-time chloride data today.
2026.08.06
05
2026.08
Portable Dissolved Oxygen Meter: CE ISO RoHS Certified Fluorescence DO Tester for Reliable Water Quality Monitoring
CE, ISO 9001 & RoHS certified portable dissolved oxygen meter with fluorescence sensor – no membrane, no electrolyte, maintenance-free. 0-20 mg/L range, IP67 rugged design. Ideal for wastewater, aquaculture & environmental monitoring. Get factory-direct quote.
2026.08.05
04
2026.08
Online Turbidity Meter: CE, ISO 9001 & RoHS Certified for Reliable Water Quality Monitoring
Looking for a CE, ISO 9001, and RoHS certified online turbidity meter? ERUN's online turbidity analyzer delivers real-time, accurate turbidity monitoring for water treatment, wastewater, and industrial applications.
2026.08.04
31
2026.07
Lake Water Quality Monitor: CE-Certified pH, Turbidity, Conductivity & Residual Chlorine Testing
Global assessment shows only 63.3% of lakes meet good water quality standards. Our CE, ISO 9001 & RoHS certified lake water quality monitor delivers accurate pH, turbidity, conductivity & residual chlorine testing. Portable, field-ready, built-in printer & data storage.
2026.07.31
30
2026.07
Boiler Water Quality Tester: 20+ Parameters, CE Certified – The Complete Solution for Industrial Water Monitoring
Looking for a reliable boiler water quality tester? Our multi-parameter water analyzer offers accurate detection of pH, hardness, ammonia nitrogen, and 20+ indicators. CE, ISO 9001, and RoHS certified. Ideal for boiler feed water, steam systems, and industrial water treatment.
2026.07.30
30
2026.07
Multi-parameter Aquaculture Water Tester: Simultaneous Analysis of Ammonia, Nitrite, and Dissolved Oxygen – The Compliant Choice for Export Aquaculture
The Erun Environmental multi-parameter aquaculture water tester measures nitrite, ammonia, dissolved oxygen, conductivity, and sulfate in one go. It holds CE, ISO 9001, and RoHS certifications. Accurate and portable, it fully meets the water quality monitoring needs of export-oriented aquaculture. View technical specifications and certification details.
2026.07.30
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