... ,ct,ozt,oz,GN,dwt,lb JJ-A series electronic balanceFeatures:JJ-A series electronic balance has a solid case, advanced circuit. It is the ... (L)×211(W)×110(H)mmPower supply AC220V±10%, 50Hz±1Hz DC6V/300mA Operation temperature0~40°CHumidity≤80%RHInterfaceRS232 JJ-A series electronic ...