Suitable for various water applications
Online Water Analyzer
DPDSense Colorimetric Chlorine Analyzer
Online Water Analyzer from Process Instruments (Pi)
The DPDSense range of Free and Total Residual Colorimetric Chlorine Analyzers are based on the industry standard DPD colorimetric measurement.
Manufactured byProcess Instruments (Pi)
Overview
About DPDSense Colorimetric Chlorine Analyzer
DPDSense is a colorimetric chlorine analyzer that measures free and total chlorine using DPD (N,N-diethyl-p-phenylenediamine), an industry standard method. The DPDSense features six-month maintenance intervals, reducing operational costs. It measures two forms of chlorine in water: ‘free’ chlorine (HOCl + OCl–) and ‘total’ chlorine (free chlorine + chloramines). After chlorine reacts with contaminants during disinfection, the remaining chlorine is considered ‘residual.’
Process Instruments offers three measurement options: HaloSense (electrochemical), DPDSense (DPD), and Chloribrid (combined technology).
The DPDSense colorimetric chlorine analyzer continually samples water, adding liquid buffer and DPD reagent. The chlorine reaction produces a pink color, with intensity proportional to chlorine concentration. Following Beer-Lambert’s law, a photometer measures light absorption to determine chlorine levels.
Key Features
Why choose DPDSense Colorimetric Chlorine Analyzer
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DPDSense Colorimetric Chlorine Analyzer in detail
Works With
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