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Ocean Sound Meter – Under Water Sound Level Meter & Recorder

Ocean Sound Meter – Under Water Sound Level Meter & Recorder

For prices and quotes please feel free to contact us at +923224602203 or email us at zirarenterprises@gmail.com, info@zirarenterprises.com

Ocean Sound Meter – Under Water Sound Level Meter & Recorder Jasco, USA

Calibrated Sound Level Measurement in Real Time

An over-the-side underwater sound level meter and acoustic recorder
specifically designed for environmental noise assessments. Sound levels
are displayed in real time for immediate assessment:

Peak sound pressure level (peak SPL in dB re 1 µPa)
Root-mean-square sound pressure level (rms SPL in in dB re 1 µPa)
IEC 61672 fast-time weighted sound pressure level
Cumulative sound exposure level (SEL in dB re 1 µPa􀄁s)

The Ideal Solution for Underwater Sound Measurements

Because it is precisely calibrated, the Ocean Sound Meter accurately
quantifies sound levels from all types of underwater source or activity:
Pile driving
Seismic surveys
Low- and mid-frequency sonar
Ambient/background noise
See and Hear Underwater Sound in Real Time

Unlike traditional sound level meters, the Ocean Sound Meter software
displays a large full-color spectrogram of the acoustic signal so you can
visualize the frequency content of underwater sound. You can listen to
the sound as you record it, or review selected periods. The sound level
metrics are displayed in real time and the data are recorded to WAV files
on your computer to easily manage noise exposure data.

Built-in Impulse Detector

The built-in Impulse Detector instantly quantifies peak and rms sound
levels of each transient acoustic event, such as a strike of a pile driver, for
on-the-spot assessment. The sound level readings for each impulse
event are saved to a CSV file on your computer for automated log-keeping.

Compact and Easily Deployed from any Vessel

This system is designed for easy deployment from any vessel or platform.
Simply connect the watertight enclosure to your computer via Ethernet
cable and deploy the hydrophone over the side. The current-loop
hydrophone provides high fidelity recordings free of background hiss.

Audio Playback
Listen to your data in real time or
select a window of interest for review.

Real-time Spectrograms
Displays the spectrogram in real-time
so you can visualize your data as you
measure them.

Impulse Detection
Detects impulses to instantly quantify
peak sound levels of acoustic events.

Connects to any Computer
The interface module easily connects
to any computer via Ethernet.

Choice of Hydrophones
Your choice of high- or low-sensitivity
hydrophone. Or choose the dual channel model for measurements
both near and far.

Ocean Sound Meter – Under Water Sound Level Meter & Recorder

TECHNICAL SPECIFICATION

What’s in the Box
Interface module in a watertight (non-submersible) enclosure
Hydrophone and cable
Ethernet and USB power cables
Ocean Sound Meter software application (installation CD)
Environmental
Watertight (non-submersible) enclosure rated to
IP67, NEMA 1, 2, 4, 4X, and UL-508
Operating temperature: −5 to 50 °C
Storage temperature: −30 to 55 °C

Physical
Enclosure: 28.0 cm L ∓20.0 cm W ∓7.1 cm H
Cable length: 30 m (or longer upon request)
Power: USB (5.0 VDC, 500 mA) from your
computer or a USB power adapter

Software
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

Signal Acquisition Performance
Sample rates: 2–128 ksps
Spectral noise floor: Better than −150 dB re FS at 128 ksps
Data storage format: WAV (uncompressed)
Single or dual-channel operation
Your choice of high- or low-sensitivity hydrophone, or both.

High Sensitivity Hydrophone Option
Manufacturer: GeoSpectrum Technologies Inc.
Model: M8EC (omnidirectional, current-loop)
Nominal sensitivity: −164 dBV re 1 μPa @ 1 kHz
Frequency response: 17 Hz to 150 kHz

Low Sensitivity Hydrophone Option
Manufacturer: GeoSpectrum Technologies Inc.
Model: M8EC-0dB (omnidirectional, currentloop)
Nominal sensitivity: −200 dBV re 1 μPa @ 1 kHz
Frequency response: 17 Hz to 150 kHz
Other hydrophone specifications are available as special order.

Description

Ocean Sound Meter – Under Water Sound Level Meter & Recorder

For prices and quotes please feel free to contact us at +923224602203 or email us at zirarenterprises@gmail.com, info@zirarenterprises.com

Ocean Sound Meter – Under Water Sound Level Meter & Recorder Jasco, USA

Calibrated Sound Level Measurement in Real Time

An over-the-side underwater sound level meter and acoustic recorder
specifically designed for environmental noise assessments. Sound levels
are displayed in real time for immediate assessment:

Peak sound pressure level (peak SPL in dB re 1 µPa)
Root-mean-square sound pressure level (rms SPL in in dB re 1 µPa)
IEC 61672 fast-time weighted sound pressure level
Cumulative sound exposure level (SEL in dB re 1 µPa􀄁s)

The Ideal Solution for Underwater Sound Measurements

Because it is precisely calibrated, the Ocean Sound Meter accurately
quantifies sound levels from all types of underwater source or activity:
Pile driving
Seismic surveys
Low- and mid-frequency sonar
Ambient/background noise
See and Hear Underwater Sound in Real Time

Unlike traditional sound level meters, the Ocean Sound Meter software
displays a large full-color spectrogram of the acoustic signal so you can
visualize the frequency content of underwater sound. You can listen to
the sound as you record it, or review selected periods. The sound level
metrics are displayed in real time and the data are recorded to WAV files
on your computer to easily manage noise exposure data.

Built-in Impulse Detector

The built-in Impulse Detector instantly quantifies peak and rms sound
levels of each transient acoustic event, such as a strike of a pile driver, for
on-the-spot assessment. The sound level readings for each impulse
event are saved to a CSV file on your computer for automated log-keeping.

Compact and Easily Deployed from any Vessel

This system is designed for easy deployment from any vessel or platform.
Simply connect the watertight enclosure to your computer via Ethernet
cable and deploy the hydrophone over the side. The current-loop
hydrophone provides high fidelity recordings free of background hiss.

Audio Playback
Listen to your data in real time or
select a window of interest for review.

Real-time Spectrograms
Displays the spectrogram in real-time
so you can visualize your data as you
measure them.

Impulse Detection
Detects impulses to instantly quantify
peak sound levels of acoustic events.

Connects to any Computer
The interface module easily connects
to any computer via Ethernet.

Choice of Hydrophones
Your choice of high- or low-sensitivity
hydrophone. Or choose the dual channel model for measurements
both near and far.

Ocean Sound Meter – Under Water Sound Level Meter & Recorder

TECHNICAL SPECIFICATION

What’s in the Box
Interface module in a watertight (non-submersible) enclosure
Hydrophone and cable
Ethernet and USB power cables
Ocean Sound Meter software application (installation CD)
Environmental
Watertight (non-submersible) enclosure rated to
IP67, NEMA 1, 2, 4, 4X, and UL-508
Operating temperature: −5 to 50 °C
Storage temperature: −30 to 55 °C

Physical
Enclosure: 28.0 cm L ∓20.0 cm W ∓7.1 cm H
Cable length: 30 m (or longer upon request)
Power: USB (5.0 VDC, 500 mA) from your
computer or a USB power adapter

Software
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

Signal Acquisition Performance
Sample rates: 2–128 ksps
Spectral noise floor: Better than −150 dB re FS at 128 ksps
Data storage format: WAV (uncompressed)
Single or dual-channel operation
Your choice of high- or low-sensitivity hydrophone, or both.

High Sensitivity Hydrophone Option
Manufacturer: GeoSpectrum Technologies Inc.
Model: M8EC (omnidirectional, current-loop)
Nominal sensitivity: −164 dBV re 1 μPa @ 1 kHz
Frequency response: 17 Hz to 150 kHz

Low Sensitivity Hydrophone Option
Manufacturer: GeoSpectrum Technologies Inc.
Model: M8EC-0dB (omnidirectional, currentloop)
Nominal sensitivity: −200 dBV re 1 μPa @ 1 kHz
Frequency response: 17 Hz to 150 kHz
Other hydrophone specifications are available as special order.

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