Thermometry Concepts: Thermometer Range

Resolution, accuracy and reproducibility are not the only important considerations when choosing a thermometer.


Range describes the upper and lower limits of a thermometers' measurement scale. Different thermometer and sensor types tend to perform best in different ranges of measurement. Some specialise at extremely hot temperatures or very, very cold ones. Some have a broader range. Often a thermometer will have different accuracy or resolution specifications in the center of its range than it does at its outer limits.


Specification tables require careful reading. The better idea you have of the temperature range you're most likely to be measuring, for example, baking temperatures at 149-204°C, the more easily you'll be able to select a technology that performs best in that range.

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