| An
electrically-shielded hydrophone and cable with a flat frequency
response to greater than 25 kHz.
The M3 and its cable are
electrically shielded. The broadside frequency response
is flat to greater than 25 kHz. Other versions of shielded
hydrophones are available.
Voltage
Sensitivity
|
-200.8 ±
1.0 dBV re 1 µPa @ 20 °C, 1 kHz |
Charge sensitivity
|
77 nC/bar ± 20% @
20 °C, 1 kHz |
Capacitance
|
8.5 nF ± 1 nF @ 20
°C, 1 kHz
|
Frequency response
|
± 0.5 dB up to 25 kHz
|
Directionality
|
Horizontal < 0.5 dB all
frequencies,
Vertical < 3 dB at 20 kHz
|
Operating depth
|
> 600 m |
Survival depth:
|
> 600 m |
Size: length, diameter
|
71 mm, 29 mm |
Mass
|
78 grams |
Displacement
|
47 cc |
Storage and operating
temperatures
|
-40 to +70 °C |
Electrical lead
|
Two-conductor, shielded, 5
mm diameter |
Electrical insulation
between leads
|
> 500 MO after 1 month in
sea water |
Compatible with
isoparaffinic fluids
|
Yes |
|
