Product Introduction

Working principle

There are usually two working principles of this flue gas analyzer: electrochemical working principle and infrared working principle. The common portable flue gas analyzers on the market are often a combination of these two principles. Specifically, by installing the working electrode, counter electrode and reference electrode in a cylindrical cell made of plastic, and filling the electrolyte between the electrodes, it is encapsulated using a diaphragm made of porous tetrafluoroethylene. The preamplifier is connected to the sensor electrode, and a certain potential is applied between the electrodes so that the sensor can be in a working state. When the gas undergoes oxidation or reduction reaction in the electrolyte, the equilibrium potential of the electrode will change, and the change value is proportional to the gas concentration.

Measured gas and performance indicators

7MB2335-0AH00-3AA1 can measure a variety of gases, including SO₂, NO, NO₂, CO, H₂S, etc. The sensitivity of different gas sensors is different, and the order from high to low is generally H₂S, NO, NO₂, SO₂, CO. The response time is usually between a few seconds and tens of seconds, generally not more than 1 minute. The lifespan of these sensors also varies, ranging from half a year to several years. For example, the lifespan of some CO sensors can even reach several years14.

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This flue gas analyzer is suitable for a variety of applications, including but not limited to the following aspects:

Environmental monitoring: In environmental monitoring stations, sewage treatment plants, etc., it is used to monitor the concentration of pollutants in the atmosphere and water bodies, and provide data support for environmental decision-making.

Scientific research experiments: In scientific research institutions and university laboratories, it is used for gas analysis in experiments such as chemical reactions and biological processes, providing accurate data support for scientific research.

Industrial process control: Used for boiler adjustment, optimizing combustion efficiency, saving energy, and controlling emissions.

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