Heilongjiang Hydrology and Water Resources Investigation Bureau and Hydrology Bureau of Heilongjiang Province have a cooperation with SonTek/YSI,lnc. to make comparing measurement research on the discharge, velocity and water depth at Kalunshan Hydrology Station in Hehe Area of Heilongjiang. This study use 1.5MHz RiverCAT Mini-ADP of SonTek/YSl to measure and compare with previous mechanical current meter data. The test aim is to validate the precision of acoustic Doppler stationary measurement technoloaw, and ~eneralize this stationary measurement method.