... Tension control field:0-2000kg 3.Videomode:digital display TC002 Manual Tension ControllerSpecifications:Controller voltage:AC220V/110V,50-60HZ,120WOutput ... Nearly 3kgUsage:use with magnetic powder clutch or magnetic powder brake,control and adjust the tension.Setting form:Automatic,manual is setting by ... tension,and to meet requirements on the tension system. Manual Tensioner / Tension Controller