linear scale linear encoder All kinds of level control,tuning and timer setting in audio-visual equipment linear scale linear encoderMechanical ... characteristicsActivation Forcewithout,Hollow shafttravel switchwithout,Hollow shaftrotary torque5±5mN.mPush pull strengthwithout,Hollow shaftload life20,000 cyclesElectrical characteristicsoutput signalA,B ...