BA entry control board “atur-X” FAQ

Is the acoustic warning signal loud enough?

What is the difference between the BA entry control board atur-X and an apparatus with egg timer?
Why do you provide a ring binder mechanism? Where can I buy the BA entry control board atur-X?
Which additional equipment is recommended?
Any other questions?

Atemschutzüberwachungstafel atur-X

Atemschutzüberwachung Deutsch deutsch

Tableau de contrôle ARI - français français

Pannello di controllo atur-X - italiano italiano