EN
ZHEN 354:2010
Lanyards
Lanyards intended for use in connecting the attachment point of a harness to a suitable anchorage device. This type of lanyard is intended for use as a component of a larger system, which should include a shock absorbing element.
Slippage
Lanyards are subjected to a force of 6kN for 3 minutes, before then being assessed for slippage through the adjustment element which cannot be anymore than 50mm. This test is done following ambient conditioning and after being placed in water and a freezer at -4°C. There is also an optional test for extreme cold for any products claiming use in temperatures below -30°C. This test is only applicable for lanyards that include an adjustment element.
Static Strength
Metallic lanyards are subjected to a tensile force of 15kN and non-metallic lanyards are subjected to a tensile force of 22kN for a minimum period of 3 minutes. This test is done following ambient conditioning and after being placed in water and a freezer at -4°C. There is also an optional test for extreme cold for any products claiming use in temperatures below -30°C
Dynamic Performance
Lanyards are subjected to a drop test to generate a shock load on the product. A drop height of 4m is used along with a 2m reference rope to simulate the maximum free fall in normal use that could occur. The lanyard is required to safely arrest the test mass following the drop. This test is only applicable for lanyards that include an adjustment element.
Corrosion Resistance
Metallic components used in fall protection equipment are subjected to a neutral salt-spray test intended to prove a minimum resistance to environmental corrosion (specifically rust). Products are held within a sealed chamber, which is filled with a salt-water mist, which can induce rust in unprotected metals. Products are subjected to 48 hours exposure and examined for rusting and function afterward.