Infrared Gas Analyzer IR202
Country: · Model: IR202
The IR202 is a gas analyzer that measures CO2, CO, CH4, SO2 and NO in process gas by the non-dispersive infrared method, NDIR. Oxygen, O2, is measured by the paramagnetic or zirconia method. The maker notes high stability over long periods.
Technical specifications
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
In the non-dispersive infrared method a beam passes through the sample and a detector measures how much light each gas has absorbed. This is how concentrations of carbon dioxide, carbon monoxide, methane, sulfur dioxide and nitric oxide are found. Oxygen is measured separately, by the paramagnetic method, which is sensitive to the magnetic properties of molecules, or by the zirconia method, which relies on an electrochemical cell. The choice of method for O2 depends on the sample and on speed and condition requirements. The maker presents high long-term stability as the main strength, since it reduces the calibration frequency on continuous lines. The image shows two versions marked IR202-A and IR202-B, a bench unit and a wall unit.
How to choose
First decide which of CO2, CO, CH4, SO2, NO and O2 you really need. For oxygen choose the paramagnetic method for clean samples or the zirconia method for hot gases. The IR202-A and IR202-B versions differ in housing, so check the mounting place. Ranges and accuracy are absent from the data and must be confirmed in the documentation for the specific component set. For a set with built-in oxygen, a separate model of this line exists.
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Infrared Gas Analyzer IR202. We reply within one business day.
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FAQ
Which gases does the IR202 measure?
CO2, CO, CH4, SO2 and NO by NDIR, plus O2 by the paramagnetic or zirconia method.
What does NDIR mean in the IR202 gas analyzer?
It is the non-dispersive infrared method. Gas concentration is found from the absorption of infrared light in the sample.
How is oxygen measured in the IR202?
By the paramagnetic or zirconia method, depending on the version. The method is chosen to suit the sample.
Are IR202 readings stable over time?
The maker states high stability over long periods. The data contain no numeric drift values.
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