Download (6Mb) - NERC Open Research Archive

Table 3.4 SSP SPECIFICATIONS
S500 acceleration channel: 2
Sensitivity ...........• 50v/m/s
S500 velocity channel:
Hydrophone channel:
NOTE:
Attenuator ............. + 33
Amplification .......... x 390
Frequency response ..... 1 - 30Hz
Sensitivity •..•........ 450v/m/s
amplification .......... x 48.8
Frequency response ..•.. 1 - 30Hz
Sensitivity ..........•. 79.4v/MPa
Pre-amp gain •.......... x 0.94
Amp/Mod galn ....•••..•• x 4
Frequency response •.•.. 1.s - 30Hz
Transcription gain •.... x 5
The digital system introduces a delay to the acceleration and
velocity channels, relative to the FM hydrophone channel as
follows:
FREQUENCY Hz DELAY msec
I
5.5
10.8
16.1
21.3
26.2
I
45.6
46.3
46.6
46.9
47.7
30.6 49.0
59