Bocina neumática (para buques > 20 m y < 75m)
MAKROFON M75F/370ZVE
ZÖLLNER
class requirements:
limits of fundamental frequencies: 250 - 700 Hz
intensity in 1/3rd-octave band level at 1 m distance
referred to 2x10-5 N/m˛: 130 dB
Makrofon M75F/370ZVE
specification:
Type approval BSH/4615/6021100/09
for compressed air 6 to 10 bar,
operating on AC 1phase(115V/230V) and/or 24 V DC
intensity: 132 dB
fundamental frequency: 370 Hz
