Which strength setting to select for the DUAL chinstrap? - Petzl Norway
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Which strength setting to select for the DUAL chinstrap?

The DUAL chinstrap allows you to change the strength of your helmet’s chinstrap to adapt the helmet to the hazards anticipated in your work environment.

Warnings

  • Carefully read the Instructions for Use used in this technical advice before consulting the advice itself. You must have already read and understood the information in the Instructions for Use to be able to understand this supplementary information.
  • Mastering these techniques requires specific training. Work with a professional to confirm your ability to perform these techniques safely and independently before attempting them unsupervised.
  • We provide examples of techniques related to your activity. There may be others that we do not describe here.
Setting the chinstrap strength.

Set the chinstrap strength according to the risk analysis carried out for planned use of the helmet:

Risk of helmet coming off in a fall: chinstrap strength set to greater than 50 kg

risk of strangulation if helmet is snagged: chinstrap strength set to less than 25 kg

Warning picto
  • Warning: the helmet's chinstrap strength is factory-set to greater than 50 kg.

In addition, the chinstrap strength setting also determines your helmet’s certification:

EN 12492: 2012 standard

(Climbing and mountaineering helmet standard)

 chinstrap strength setting greater than 50 kg

For work at height, the EN 12492 standard requires a chinstrap strength setting greater than 50 kg

EN 397: 2012 standard

(Helmet for industrial use)

 chinstrap strength setting less than 25 kg

For work on the ground, the EN 397 standard requires a chinstrap strength setting less than 25 kg

Information

WHAT ABOUT MY HELMET?

  • See your helmet instructions to find out which standards it meets.