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INTRODUCTION
Amperometric sensors are sensitive analytical devices that detect current when an electroactive substance undergoes an electrochemical reaction and loses (oxidises) or gains (reduces) one electron.
There are several different kinds of amplimetric sensors. The sensors previously mentioned are referred to as first-generation sensors because they detect changes in electroactive species caused by interactions between an enzyme and its substrate.
For instance, the following biochemical process of glucose oxidase is utilized with the straightforward glucose oxidase-based sensor.
Voltammetric research is crucial for the development of an amperometric sensor in order to understand the working theory or mechanism of the sensor reaction and to establish the ideal working circumstances (amongst others, the potential of the working electrode).
Only a time-independent signal and consequently a voltammetric steady-state method using configurations like rotating disc electrodes, flow-through cells, ultramicro electrodes, wall-jet electrodes, or diffusion through membranes can be the foundation of a potential in-line sensor with an output signal that is continuously in proportion to the analyte concentration.
Rotating-disc voltammetry is mostly utilized for the development of sensors on a lab scale.
Global amperometric sensor market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
For measuring free chlorine in process water, drinking water, water & wastewater treatment, cooling water, and all utilities and processes needing clean, treated water, Endress+Hauser has introduced the Memosens CCS51D amperometric sensor.
The sensor is very resistant to biofouling because to its convex membrane, which is comprised of strong, dirt-repellent material. The membrane is ultrasonically welded to the sensor cap to maintain its integrity and avoid electrolyte dilution, which could cause the measurement signal to drift.
This ensures stable measurements over the long term and provides water plant management with the assurance that the disinfection process is going smoothly and producing the desired disinfection outcomes.
New sensors can be directly commissioned with Memosens without additional calibration. Plant operators can pre-calibrate sensors in the lab, swap them into the process with plug & play, and so continue measuring more quickly while the plant is in operation.
Last but not least, non-contact data transfer removes any measurement mistakes, including failures brought on by corrosion or humidity.
