Martin Graf
1 Articles0 Comments

Martin Graf is an expert and advisor for design and implementation of siren systems for mass and early warning at HÖRMANN Warnsysteme, a leading siren manufacturer from Germany.

Why mass warning and notification systems still need sirens

Mass or early warning systems are becoming increasingly important due to the rising number of natural disasters. The core of a mass or early warning system is the siren – despite modern technologies, sirens are the only component that reliably…

International Fire Fighter is the leading global publication for municipal and industrial fire fighters and the fire and rescue industry.

The editorial features are written by industry experts and comprise a unique blend focussing on the latest technology, training methods and equipment as well as highlighting sector-specific issues from around the world.

Regular product and company profiles, events updates and news make International Fire Fighter the first choice read for fire and rescue professionals.

Latest Issue

Follow me on Twitter