Ocean Sound Meter (OSM)
This product is no longer available.
Please see its successor, the Ocean Sound Meter 2 (OSM 2).
Specifications
The Ocean Sound Meter is built on the AMAR G3 platform.
Includes
OSM deck set in a watertight (non-submersible) enclosure
Hydrophone and cable
Ethernet cable, USB power cable
Ocean Sound Meter software
Acoustics
Channels: 2
Sample rates: 2–128 ksps
Spectral noise floor: Better than −150 dB re FS at 128 ksps
File format: WAV (uncompressed)
Hydrophone options
Various customizable options.
Sensitivities and frequencies tailored to your needs.
Standard high sensitivity hydrophone:
Nominal sensitivity: −164 dBV re 1 μPa @ 1 kHz
Frequency response: 17 Hz to 150 kHz
Standard low sensitivity hydrophone:
Nominal sensitivity: −200 dBV re 1 μPa @ 1 kHz
Frequency response: 17 Hz to 150 kHz
Environmental
Watertight (non-submersible) enclosure rating: IP67, NEMA 1, 2, 4, 4X, and UL-508
Operating temperature: −5 to 50 °C
Storage temperature: −30 to 55 °C
Ruggedized transport case
Physical
Deck set (L×W×H): 28.0 × 20.0 × 7.1 cm
Cable length: 30 m (or longer upon request)
Power: USB (5.0 VDC, 500 mA) from your computer or a USB power adapter
OSM software
Audio playback in real-time, or review of a selected window of interest
Displays sound pressure levels and sound exposure levels (peak SPL, rms SPL, and cumulative SEL) for the entire recording or for user selected portions of data
Detects impulses in real time and displays the sound levels
Configurable detection parameters to suit the sound source
For Windows, Linux, and Mac
Optional add-ons
AC power adapter
Extended hydrophone cable or breakout cable
Ruggedized notebook computer with pre-installed Ocean Sound Meter software
