Standard - DIN 14610
     
Since at least 1978 a standard for acoustic warning systems is used in Germany and adapted in different rhythms of the new technology. Here is an overview of how the standard has developed.

The sound pressure level shall be at least 110db in the direction of maximum sound radiation at a distance of 3.5m in anechoic chamber for each of the two individual sounds.
     
  EL PM EG EK
  Electrically operated pneumatically operated pneumatic & electric blower electronic generation

1978-02 Bosch - SH HEN1 6 1 platzhalter    
         

1981-03 Bosch - SH HEN1 6 1 platzhalter Max B Martin - 2097GM Premier Hazard - PH7007 AT
         

2009-01 Bosch - SH HEN1 6 1 platzhalter Max B Martin - 2297GM Premier Hazard - PH7007 AT
         

We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site.

Ok