SHIP CLASS I - SHIP LENGTH 200 METRES OR MORE

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

 

  
Makrofon ZM200/90bZVE(E)H

specification:
Type approval BSH/4615/6020393/09
for compressed air 10 to 40 bar,
operating on AC 1phase(115V/230V) and/or 24 V DC
intensity: 143 dB (t)
fundamental frequency: 90 Hz
 
Makrofon ZM200/110bZVE(E)H

specification:
Type approval BSH/4615/6021098/09
for compressed air 10 to 40 bar,
operating on AC 1phase(115V/230V) and/or 24 V DC
intensity: 143 dB (t)
fundamental frequency: 110 Hz