Scala | V7 | System Configuration
Troubleshooting: If an active hydrophone shows 0.0 mA current, it might be faulty or
the wiring to the hydrophone might be wrong. Check the wiring.
List of Marport Hydrophones
These are technical specifications for hydrophones currently sold by Marport. For information
about obsolete hydrophones, please contact Marport support.
Product
reference
Name Use case
Bandwidth
(3 dB)
Typical
current
consumption
Cable*
NC-1-05 Passive wideband
hydrophone (no
preamplifier)
• Vessel with very low
level of noise (below
-110 dBV).
• Sensors close to the
vessel (approx. 300 m)
• For positioning
systems with Slant
Range/pinger (one
passive hydrophone
is necessary for
transmission).
33-60 KHz 0.0 mA Blue
NC-1-05
+
NC-2-02
Passive
hydrophone
+ Wideband
preamplifier box
• Vessel with normal
level of noise (below
-100 dBV).
• Large number of
sensors.†
• Use at great depths (>
500 m).
• Gain configurable (Low
or High)
• Filters configurable (38
and/or 50kHz).
• Low noise environment
between passive
hydrophone and
wideband preamplifier
box
33-60 KHz 25-29 mA Blue
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