VOLTCRAFT-PL-135-HAN-Hot-Wire-Anemometer-Voltcraft-PL-135HAN-p-Use-this-Voltcraft-PL-135HAN-anemometer-to-measure-air-temperature-airflow-velocity-&-volume-flow-rate-via-an-external-tethered-telescopic-hot-wire-sensor-with-thermistor-The-product-is-suited-for-all-kinds-of-applications-related-to-heating-air-conditioning-&-ventilation-The-readings-are-shown-on-the-LC-display-When-the-product-is-connected-to-a-computer-the-readings-can-be-displayed-as-a-graph-&-exported-as-a-text-d