| 摘要 |
A fan testing apparatus includes an air duct defining opposite air inlet and air outlet, a heating member received in the air duct, a first thermometer attached to the heating member, and a second thermometer positioned at the inlet of the air duct. The fan generates airflow in the air duct through the inlet and out of the air duct through the outlet to cooling the heating member. A surface temperature of the heating member is measured by the first thermometer. An environmental temperature at the air inlet is measured by the second thermometer.
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