Optimal temperature sensor selection

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There's no simple solution to achieving accurate temperature measurement. It’s a combination of knowing the inherent accuracy of particular sensor types, but also how environmental factors can create further measurement uncertainty and the sensor calibration techniques available to reduce this uncertainty.

By Cal Swanson, Senior Principal Engineer, Single Iteration, a division of Watlow Electric Mfg. Co.

WHEN BUILDING your knowledge base on sensor types, be sure to consider inherent accuracy in terms of durability, range of operation, and susceptibility to external noise influences. Also examine how the sensor will be used in terms of temperature range, the required level of accuracy and repeatability, handling/installation endurance, whether it will be calibrated/grounded, and the type of environment it will be used in.

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