... 6. Double limit methods (electronic limit and motor sensor memory limit) for beam rises and falls.Technical ... Turnstile,Security Tripod Turnstile,Safety Tripod Turnstile,Access Control Tripod Turnstile,Semi-automatic Tripod Turnstile,Automatic Tripod Turnstile ... Tripod Turnstile,Turnstyle,Turnstiles,Turnstiles,Waist Height Turnstile,Speed gate,Full Height Turnstile,Flap Barrier,Swing Barrier,Swing ...