Global demand for portable, high-precision water testing equipment continues to rise, driven by stricter environmental regulations and expanding water research projects. The global multi-parameter water quality analyzer market is projected to reach US$2.5 billion by 2031 at a 4.5% CAGR.
Modern laboratories, government environmental stations, universities and water utilities require integrated benchtop analyzers to replace scattered single-parameter devices. This lowers costs, saves lab space, unifies testing standards and simplifies daily operation and maintenance.
Qualified laboratory water analyzers must cover routine and authoritative testing indicators, includingpH, dissolved oxygen, conductivity, turbidity, hardness, alkalinity, ammonia nitrogen, chlorine series, heavy metals and inorganic ions.
For global institutional procurement, three core certifications are mandatory:
CE Certification: Compliant with EU safety, health and EMC standards
ISO 9001: Standardized quality management system
RoHS Compliance: Hazardous-substance free
Traditional labs use separate devices for optical colorimetric testing and electrode physical testing. Advanced benchtop analyzers integrate optical colorimetry + electrode detection in one unit.
It supports unified testing of physical indicators (pH, DO, conductivity, temperature) and chemical pollutants (COD, nitrogen, phosphorus, heavy metals), greatly simplifying lab workflows and reducing overall equipment investment.
To adapt to diverse water samples and research scenarios, premium lab analyzers support flexible curve configuration:
250+ factory pre-programmed curves for conventional water quality indicators
3500 customizable user curves for special water samples and new testing methods
Supports straight-line and broken-line fitting to improve non-linear parameter accuracy
100,000 sets of data storage with time stamp, operator ID and parameter records
Data export, printing and computer upload functions for audit and compliance filing
Curve and data backup & recovery to prevent accidental data loss
University Research Labs: Teaching, graduate research and water environment scientific projects
Government Environmental Stations: Unified testing standards for regional water environment monitoring
Water Utilities & Public Health Departments: Drinking water, surface water and sewage routine monitoring
Industrial QC Labs: Food, pharmaceutical, chemical and power plant water quality inspection
ERUN-ST7 is a professional lab-grade multiparameter water quality tester developed for scientific research, government monitoring and industrial standard testing.
Core Advantages:
Integrates optical and electrode dual detection, testing nearly 100 water quality parameters
Detects concentration, absorbance and transmittance with high precision
5.7-inch large touch screen, English system, simple and efficient operation
Supports mass data storage, query, printing and computer upload
Dual linear/broken-line measurement modes to ensure accurate data
Chinese & English bilingual switching, suitable for global users
Covered indicators: COD, ammonia nitrogen, total phosphorus, total nitrogen, permanganate index, residual chlorine, total chlorine, heavy metals (Fe, Mn, Cu, Pb, Cd, Cr, As), fluoride, sulfate, hardness, alkalinity, pH, DO, turbidity, temperature, TDS and other conventional water quality indexes.
ERUN-ST7 is fully compliant with international standards, withCE, RoHS and ISO 9001 certifications. It meets global laboratory procurement standards, supporting long-term stable testing and official regulatory reporting.
The ERUN-ST7 benchtop multiparameter water quality analyzer integrates full-scene testing functions, flexible calibration modes and complete data management capabilities. It replaces multiple single-function devices, improves laboratory testing efficiency, and meets the standardized testing demands of scientific research, government environmental monitoring and industrial quality control.
Learn more about ERUN-ST7 specifications and institutional quotation: https://www.erunwas.com/products-detail/id-281.html
ERUN Water Analysis Solutions | ISO 9001 / CE / RoHS Certified
