Sechang Instruments Blog

Industrial Measurement Guides & Technical Insights

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Colorimeter and Spectrophotometer Guide: Principles, Selection, and Industrial Applications

Colorimetry and spectrophotometry for industrial water analysis: instrument selection, measurement principles, calibration, and key applications.

색도계 색도측정기 분광광도계 수질측정 색도기준
Jul 21, 2026 · 1,089 words

ORP Meter Guide: Oxidation-Reduction Potential Measurement, Electrode Selection, and Industrial Applications

ORP (Oxidation-Reduction Potential) measurement guide: electrode technology, calibration standards, disinfection and wastewater BNR process control.

water-quality electrochemical process-control
Jul 21, 2026 · 2,824 words

TOC Analyzer Guide: Total Organic Carbon Measurement Methods, Instrument Selection, and Industrial Applications

TOC (Total Organic Carbon) analyzer guide: combustion vs UV-persulfate methods, online monitoring, TOC vs COD correlation, and instrument selection.

water-quality laboratory pharmaceutical process-control
Jul 21, 2026 · 2,280 words

Ion Selective Electrode (ISE) Guide: Fluoride, Nitrate, Ammonium, and Heavy Metal Measurement in Water

Ion Selective Electrode (ISE) guide: fluoride, nitrate, ammonium, and heavy metal measurement in water — membrane types, TISAB preparation, and calibration.

water-quality electrochemical laboratory
Jul 21, 2026 · 2,421 words

Turbidity Measurement Guide: NTU, Optical Sensors, and Applications in Drinking Water and Wastewater

Turbidity measurement guide: NTU vs FNU, nephelometric vs transmitted-light methods, formazin calibration, and instrument selection for water applications.

Jul 21, 2026 · 1,827 words

Electromagnetic Flow Meter Guide: Faraday Principle, Electrode and Liner Selection, and Industrial Applications

Electromagnetic flow meter guide: Faraday induction principle, electrode and liner selection for corrosive fluids, and installation requirements.

Jul 21, 2026 · 1,626 words

Ultrasonic Flow Meter Guide: Transit-Time vs. Doppler, Clamp-On Installation, and Industrial Applications

Ultrasonic flow meter guide: transit-time and Doppler principles, clamp-on vs insertion installation, and comparison with electromagnetic flow meters.

Jul 21, 2026 · 1,526 words

Arsenic in Water: Field Test Kits vs. ICP-MS — When to Use Which

Arsenic in drinking water above 0.01 mg/L: portable field test kits vs laboratory ICP-MS, with a cost comparison and two-step screening workflow.

water-quality heavy-metals arsenic field-testing environmental-compliance
Jul 21, 2026 · 1,158 words

Multi-Parameter Water Quality Meters: YSI, Hach, WTW, and Horiba Platform Comparison and Selection Guide

Compare the KM-2000, MPA48, and TRIPOD series for simultaneous pH, DO, MLSS, and conductivity measurement, with field-by-field configuration guidance.

수질측정 다항목 인라인 휴대형
Jul 21, 2026 · 1,535 words

Online Water Quality Monitoring Systems: Continuous Measurement, Data Telemetry, and Compliance Reporting

Online water quality monitoring guide: sensor technologies, SCADA integration, TMS compliance, and maintenance best practices for continuous monitoring.

water-quality monitoring regulatory process-control
Jul 21, 2026 · 2,822 words

Dissolved Oxygen (DO) Meter Guide: Optical vs Electrochemical Sensors for Industrial and Environmental Use

Optical vs electrochemical DO sensors for wastewater, aquaculture, and fermentation. Calibration, maintenance, and application selection guide.

수질측정 용존산소 DO 센서
Jul 21, 2026 · 1,069 words

Ecotoxicity Testing: Microtox, Daphnia, and Algae Bioassays for Industrial Effluent Monitoring

Ecotoxicity testing principles, Korean regulations, and Microtox instrument comparison — a guide to managing industrial effluent ecotoxicity.

수질측정 생태독성 Microtox 환경규제
Jul 21, 2026 · 1,214 words