Anemometers are utilized for measuring the volumetric flow rate as well as velocity on air grills in residential structures and utility. Possible in assemblage with a measurement cone when the rate of flow is not laminar, the speed of the these devices is changed into an electric power that is sent into the air swift. These compact and highly professional measuring instruments can be efficiently utilized with smart-phones & tablets. Enabling elementary parameterization of the outlet for volume flow measurement, the measurement data analyzed by these devices can be easily sent with the smart probes app. Provided Vane Anemometers are also useful for the measurement of volume flow, temperature and air flow velocity.