This standard stipulates the technical requirements, test methods, inspection rules and markings of speed differential automatic controllers. This standard applies to speed differentials used by personnel whose weight and load are not greater than 100kg in high-altitude operations, climbing and suspension operations.
GB 24544-2009 Referenced Document
GB 24543-2009 Personal fall protection equipment-Lanyards
GB/T 10125-1997 Corrosion tests in artificial atmospheres--Salt spray tests