Choosing the Right Infrared Thermometer for You
There are three basic types of infrared thermometer optics, each with its own advantages and disadvantages: fresnel lens thermometers, mica lens thermometers and no-lens thermometers.
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Infrared Lens
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Cost
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Durability
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Temp Range
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Optics
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Ambient Effect
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Fresnel Lens
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$$
|
 |
Hotter
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Better
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|
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Mica Lens
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$$$
|
|
Hottest
|
Best
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|
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No Lens
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$
|
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Hot
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Good
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| Fresnel Lens Thermometers | Mica Lens Thermometers | No-lens Thermometers |
| IRFS IR Gun IRK IRT 2 |
CZ-IR IR MINI TW Pocket |
It is also important to give some thought to the intended range of temperature you are likely to measure with your infrared thermometer. For best resolution, choose a thermometer with a speci- fied range that most narrowly covers what you are planning to measure.