| 摘要 |
PROBLEM TO BE SOLVED: To provide a correction method for a moisture interference in an infrared gas analyzer, in which the influence of the moisture interference can be reduced when a gas to be measured is measured. SOLUTION: A factor (m1), a factor (c1) and a factor (k) which are used in a computing equation which finds the magnitude mx(H2O) of a moisture interference to a main detector 4 on the basis of the output (cx) of a compensation detector 4 are found linearly on the basis of the relationship between the output (m1) and the output (m2) of the main detector 4 in the upper limit and the lower limit of a moisture concentration range to be generated in the analysis of a gas and the output (c1) and the output (c2) of the compensation detector 5. Thereby, the moisture interference mx(H2O) is removed.
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