When choosing a non-contact temperature sensor (be it a thermal imaging camera or spot pyrometer), it is important to understand the details of what this sensor must do. The user often makes mistakes by not fully understanding three critical factors: emissivity, wavelength and the objects parameters. Making a mistake with any one of these factors can cause the user to purchase the wrong sensor for the application, thereby affecting product quality, increasing rejects and/or wasting time and money. By understanding these factors, operators can help to ensure a more efficient process with highly accurate and repeatable temperature performance.
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