... in the industrial field, such as petroleum, chemical, electric power, smelting, energy, pharmaceutical, paper-making, water treatment, brewage ... cranks can be used for manual operation after power is cut off·Decelerating mechanism finally applies high ... .57AGross weight2.0Kg3.0Kg8.0Kg8.5KgControl modeAC220V/50Hz Power switchingInput signals4~20MADC,1~5VDCOutput signals4-20MaDCOutput accuracy≤± ...