Water supply service providers require many measurements to ensure safe, contaminant-free, and high quality water. Some important measurements include pH, Oxidation-reduction potential (ORP), conductivity, temperature, free chlorine, monochloramine, dissolved oxygen (DO), and turbidity. Emerson’s Ryo Hashimoto wrote a Water & Wastewater Asia article, Raising early alarm bells, to highlight the importance of these measurements in […]
A colleague pointed me to a recent ConnectingIndustry.com article, Taking wireless level data acquisition to HART. Emerson’s Catrine Bengtsson shared her expertise for this article. Many plants have legacy control systems with analog input (AI) and analog output (AO) channels that cannot bring in the HART digital signal superimposed on the 4-20mA analog signal. She […]
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