The Chauvin Arnoux Physics Line C.A. 822 is a thermo-anemometer that offers users a sustained display characterized by dual array of presentation. The device also composes backlighting feature with calculation unit preference with a minimum or a maximum advantage. In addition, the device has wind speed configurations of 0.03 complete scale precision attributed by a 0.01 m/s resolution. It also has a 0.4 wind speed measurement range at 30 meters per second. The Chauvin Arnoux Physics Line C.A. 822 with its durable housing highlights a total weight of 330 grams alongside its 173 x 60.5 x 40 mm instrument dimension.