(1) First of all, the measurement requirements and the problem to be solved to clarify, such as the measured target temperature, the measured target size, measurement distance, the measured target material, the target environment, the response speed requirements, the measurement accuracy requirements, as well as with portable or online;

(2) Measurement requirements and the problem to be solved with the existing various models of pyrometers for comparison, select the instrument model that can meet the above requirements;

(3) In the many models that can meet the requirements, select the best match in terms of performance, functionality and price.

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