Hot wire anemometers use a very fine wire electrically heated up to a temperature above the ambient. Air flowing past the wire has a cooling effect on the wire. As the electrical resistance of most metals is dependent upon the temperature of the metal a relationship can be obtained between the resistance of the wire and the flow velocity.
Hot wire anemometers are small in diameter making them ideal for air flow measurement in tight, hard to reach areas. Hot wire anemometers have a wide measurement span which can be used for low velocity applications to general purpose measurements.
If you need assistance selecting or configuring a hot wire anemometer for your airflow measuring application please contact us at toll free 1.866.363.6634 or email us at email@example.com.
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