Introduction: Gas Analyzers  Use and Benefits
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A large number of Oxygen Analyzers are available in the market to choose from. One of the models, Paramagnetic analyzers has a dumbbell or magnetodynamic type pre-dominates sensor type. Paramagnetic oxygen sensors include cylindrical shaped container within the analyzer and is put with a tiny glass dumbbell.The dumbbell is made to move liberally as it is debarred from the wire.
Whenever a sample gas including oxygen is processed through the sensor, the oxygen molecules are drew to the stronger of the 2 magnetic areas. Thus, a displacement of the dumbbell occurs that results in the rotating of the dumbbell. An accurate optical system that includes light source, amplifier circuit and photodiode is employed to evaluate the level of rotation of the dumbbell.Hence, paramagnetic oxygen sensors provider good response time features and employ no consumable parts to make sensor life under usual conditions. It also provides outstanding accuracy over an array of 1%-100% oxygen. The magnetodynamic sensor is highly delicate and is sensitive to vibration and position. Because of loss in evaluation sensitivity, the paramagnetic oxygen sensors are not advised for trace oxygen evaluations.
One another major type of oxygen analyzers is Polarographic analyzer that include oxygen sensor, which is generally referred to as a Clark Cell. This sensor is immersed by anode and cathode in an aqueous electrolyte of potassium chloride. The electrodes are distinguished from the sample using a semi-permeable membrane, which offers the system to disseminate oxygen into the sensor.
Whenever a sample gas including oxygen is processed through the sensor, the oxygen molecules are drew to the stronger of the 2 magnetic areas. Thus, a displacement of the dumbbell occurs that results in the rotating of the dumbbell. An accurate optical system that includes light source, amplifier circuit and photodiode is employed to evaluate the level of rotation of the dumbbell.Hence, paramagnetic oxygen sensors provider good response time features and employ no consumable parts to make sensor life under usual conditions. It also provides outstanding accuracy over an array of 1%-100% oxygen. The magnetodynamic sensor is highly delicate and is sensitive to vibration and position. Because of loss in evaluation sensitivity, the paramagnetic oxygen sensors are not advised for trace oxygen evaluations.
One another major type of oxygen analyzers is Polarographic analyzer that include oxygen sensor, which is generally referred to as a Clark Cell. This sensor is immersed by anode and cathode in an aqueous electrolyte of potassium chloride. The electrodes are distinguished from the sample using a semi-permeable membrane, which offers the system to disseminate oxygen into the sensor.
