The utility model discloses a be suitable for model test's oar current meter calibration device soon, including the basin the both ends of basin are equipped with the wave absorption net, and the bottom is equipped with drainage festival door, and settle wall top in both sides has the guide rail be equipped with the examination car on the guide rail the fixture that are equipped with on the examination car and revolve oar current meter sensor adaptation, the examination car is driven by the steel wire, the one end and the grooved pulley connected of steel wire, the other end is connected withthe fixed pulley, the sheave with the fixed pulley is installed respectively the both ends of basin, the sheave is by motor drive be connected with the speed governing appearance on the motor. The utility model discloses a mode that quiescent flow and velocity of flow standard device combined together, k, C value are tried to achieve to the relation of establishhing the velocity of flow and revolving the oar rotational speed, simple structure, convenient operation, area is little, and the less investment is fit for the calibration of oar velocity of flow sensor k, C value soon under the low ormiddle velocity of flow condition of laboratory.