Industrial Measurement Guides & Technical Insights
A guide to performance certification for environmental instruments — application requirements, test items, and conditions for maintaining certification.
Reagent-free UV-Vis spectrophotometry for online COD, nitrate, TOC, and true color monitoring: SAC254, chemometric calibration, and deployment tips.
pH electrodes are consumables. Calibration is not replacement. Compare total cost of ownership by electrode life, buffer, and replacement cost.
A practical guide to air pollutant monitor regulations — who must install, what to measure, TMS transmission, and operating and reporting duties for facilities.
A guide to type approval for water quality monitoring instruments — legal basis, documents, performance testing, review steps and timelines.
Online turbidity analyzers for drinking water compliance and wastewater TSS: compare nephelometric, ratio, and surface scatter sensors and ISO 7027.
Oil in water monitoring for wastewater compliance: UV fluorescence, IR, and turbidimetric detection methods, sensor types, and PPM/PPB regulatory limits.
Phosphate analyzer guide for wastewater: orthophosphate and total phosphorus measurement, eutrophication prevention, and online monitoring system selection.
Conductivity meter guide for industrial water: measuring electrical conductivity, TDS, and salinity, plus online conductivity analyzer selection.
COD analyzer guide for wastewater treatment: chemical oxygen demand measurement by dichromate method, regulatory discharge limits, and online COD monitoring.
Fluoride in drinking water guide: WHO and EPA limits, ISE and colorimetric detection methods, online analyzer selection, and defluoridation treatment options.
Compare ICP-MS, ICP-OES, and voltammetry for heavy metal testing in water: detection limits, elemental scope, regulatory acceptance, and cost trade-offs.