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Smart amperometric free chlorine, chlorine dioxide, ozone sensors
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Catalog excerpts

Smart amperometric free chlorine, chlorine dioxide, ozone sensors - 1

PRODUCT INFORMATION PROCESS ANALYSIS AMPEROMETRIC SENSORS Smart amperometric free chlorine, chlorine dioxide and ozone sensors ^ Stable measuring results thanks to flow optimisation ^ Premounted flow cell, easy to install ^ Special accessories for optimal operation ^ Compatible with multi-parameter digital SC controllers ^ Minimal maintenance with automatic cleaning Simple installation and operation The all-inclusive systems come preassembled on a panel. Just mount the panel in the desired location, install the sensors, and connect the controller to get started. There are no chemicals used for measurement. Membranes are premounted on retaining caps so the maintenance and the operational costs are minimal. Two years of typical maintenance items are included with the system. Options for optimised operation For all amperometric sensors several accessories are available: ^ Acidification unit This can be used for sample pH adjustment or for cleaning. It is fully programmable. ^ Intermittent flow unit This free programmable unit reduces the amount of sample water which is sent to waste. LANGE UNITED FOR WATER QUALITY

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Smart amperometric free chlorine, chlorine dioxide, ozone sensors - 2

PROCESS ANALYSIS_AMPEROMETRIC SENSORS Free chlorine Low detection limit for efficient residual chlorine monitoring The 9184 sc amperometric free chlorine sensor has a detection limit of 5 ppb or 0.005 mg/l hypochlorous acid (HOCl). Together with pH and temperature measurements, free chlorine concentration is calculated using dissociation curves stored in the instrument. Wide measurement range Due to its 0 to 20 ppm measurement range, the 9184 sc free chlorine sensor is particularly useful for drinking water distribution monitoring, chlorination applications, demineraliser systems or cooling...

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Smart amperometric free chlorine, chlorine dioxide, ozone sensors - 3

PROCESS ANALYSIS_AMPEROMETRIC SENSORS Chlorine dioxide Selective membrane avoids interference from chlorine The 9187 sc amperometric chlorine dioxide sensor uses a membrane that is selective for chlorine dioxide molecules. There are no interferences from bromine, chlorine, or hydrogen peroxide. The only potential interference is from ozone, which is rarely present in water treated with chlorine dioxide. The oxidation potential of chlorine dioxide is 2.5 times higher than chlorine. It is relatively independent from the pH value and therefore suitable for disinfection of alkaline water. The...

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Smart amperometric free chlorine, chlorine dioxide, ozone sensors - 4

Technical data * Required when the length of cable between the digital sensor and SC 100 or SC 1000 controller exceeds 100 m. HACH LANGE Services LANGE UNITED FOR WATER QUALITY

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