encoder coupling high quality encoder encoder couplingAll kinds of level control, tuning and timer setting in audio-visual eequipment, monitor and communicaterMechanical characteristics Activation Forcewithout,Hollow shafttravel switchwithout,Hollow shaftrotary torque5±5mN.mPush pull strengthwithout,Hollow shaftload life20,000 cycleselectrical characteristics output signalA,B 2contact ...