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What is infrared?
Infrared is an invisible portion of the light spectrum extending from 0.75 to 1000 microns. Any object warmer than absolute zero (0 degrees Kelvin) emits energy somewhere within that range.
What is an infrared thermometer?
An infrared thermometer (sensor) can take an object?s temperature without touching it. Cooper?s sensors can measure the amount of infrared energy objects emit.
Can the product or object being measured be moving?
Yes. Measuring moving targets is one of the many benefits of using noncontact infrared thermometers.
How close do I have to be to an object to take its temperature?
Distance does not affect the measurement. However, infrared sensors measure the energy from a circular spot on the target, and size of that spot is a function of distance between the sensor and target. The farther away from the target the sensor is, the larger the spot. Consequently, distance is only limited by the size of the object you want to measure.
Does color affect infrared?
No. However, a different surface characteristic, called emissivity, does. Emissivity is a function of both the type of material you are measuring and its surface finish.
Can infrared sensors measure water or ice?
Yes. As mentioned above, any object warmer than absolute zero emits energy.
Will infrared sensors measure air?
No. An infrared thermometer needs a surface to measure. Cooper?s units are specifically designed so that air between the sensor and target does not affect the measurement.
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