The M15 by GeoSpectrum Technologies Inc. is a high-sensitivity, medium-frequency, omni-directional hydrophone designed for marine observation. It comes with a pre-amplified output of 0 to 35 dB (selectable on order) with current or voltage signalling.
The M15 comes standard with a male 8-pin micro bulkhead connector from Subconn.
Download each products’ specification sheet for more information or contact GeoSpectrum directly with your inquiries.
The M15-360 is capable of deployments to 1000 metres depth. Download the spec sheet for more information.
The M15-900 is capable of deployments to 900 metres depth. Download the spec sheet for more information.
|Nominal Voltage Sensitivity (without preamp)||-190 dBV re 1 µPa @ 20°C|
|Size||7.8” length, 1.3” max OD|
|Depth Rating||1000 m / 900 m|
|Storage and Operating Temperatures||-40 to +70°C|
|Labelling||Calibration parameters, serial number, date|
|Preamp signalling||Current or voltage (selectable on order)|
|Gain||0 – 35 dB (selectable on order)|
|Input Voltage||6.8 VDC nominal
4.5 – 30 VDC operating range
|Band Pass||20 Hz HPF, no LPF installed
(unless otherwise specified)
|IRN||<30 nV/√Hz @10 Hz
<4 nV/√Hz @1 kHz
|Current Draw||1.3 mA (at 6.8 VDC)
4.2 mA with current signalling preamp
Please contact us for further details or to discuss your specific needs.