Avertisseur sonore électrique à pistons (pour navires > 200 m)
110 AC
ZÖLLNER
class requirements:
limits of fundamental frequencies: 70 - 200 Hz
intensity in 1/3rd-octave band level at 1 m distance
referred to 2x10-5 N/m²: 143 dB
Zet-Horn 70 AC
Zet-Horn 70 AC
specification:
Type approval BSH/46156020392/09
operating on AC 3phase(230V/380V/440V/690V)
intensity: 143 dB (t)
fundamental frequency: 70 Hz
