ZÖLLNER Makrofons are air pressure controlled membrane sound senders that give acoustic signals in the train and seafaring sectors.
They comply with the requirements of UIC and TSI:
UIC 644 1980-07
TSI EN 15153-2: 2013
|Acoustic signaling devices used for internationally deployed vehicles must fulfil the following requirements:
||–Acoustic warning devices for track vehicles–
Requirements for signal horns with which the required audibility of approaching track vehicles including high speed and conventional train systems is met