Component Temperature Measurement

Measuring Local Air Temperature

Measure local component ambient temperature by placing the thermocouple downstream of the component. This method is conservative since it includes heating of the air by the component. Figure E-4shows one method of mounting the thermocouple.

Tape thermocouple wire to top of component

Thermocouple junction

E

Air flow

PWB

Figure E-4. Measuring Local Air Temperature

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E-9

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Image 161
Motorola MVME5100, Single Board Computer manual Figure E-4. Measuring Local Air Temperature