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Infrared Temperature Monitoring: Know the Right Questions to Ask

By Robert Janecek and Vern Lappe, IRCON, Inc, |

    Accurate temperature measurement can often be quite challenging, especially in situations where process temperatures are extremely high (above 800°F), the target is in motion, or the need to avoid contaminants is significant. Infrared (IR) temperature-sensing offers an attractive solution. IR devices function basically by measuring infrared energy at a distance. Infrared energy is emitted by all objects directly at quantities that relate to their host object’s temperature. Waves pass through the sensor optics, are converted to electrical signals at the detector and then are displayed as a temperature.   THE ADVANTAGE OF IR Infrared sensors offer advantages over many other types of temperature sensors: Non-contact. They do not need to touch an object to detect it’s temperature. Rapid response. They can measure infrared energy and reinterpret the waves as temperature data in milliseconds. Most mechanical or resistance-based thermometers function instead by placement within and adapting to the temperature of the environment or object being measured in order to provide a reading. These devices require more wait time than infrared devices. High precision. They can measure an object’s energy output…
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