|In the event of an fall, negative inclined ladders will increase the free fall distance. Depending on the inclination the locking mechanism can be even fail completely.
Since the locking function of the Twinstop fall arrester is speed controlled, independent from external impacts, a safe function is as well assured in negative inclined ladders.
This has been tested and certified up to minus 25°
* Calculated deviation measure of the test mass from the plumb line