ATP-Vane-Velocity-Volume-Thermo-Anemometer-AVM-619-ATP-AVM-619-P-The-ATP-AVM-619-is-a-Vane-Velocity-Volume-Thermo-Anemometer-that-measures-air-velocity-airflow-volume-&-temperature-The-ATP-AVM-619-has-a-detachable-64mm-vane-with-a-1-1m-connection-cable-The-ATP-vane-velocity-volume-thermo-anemometer-is-excellent-for-ventilation-surveys-air-conditioning-heating-&-environmental-monitoring-P-ATP-Vane-Velocity-Volume-Thermo-anemometer-AVM-619