acoustics monitoring Equipment in Finland

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DIRAC - Model Type 7841 - Room Acoustics Parameters

by Brüel & Kjær Sound & Vibration Measurement A/S

PC software for measuring a wide range of room acoustical parameters in the field or laboratory according to ISO 3382 (room acoustics), ISO 18233 (analysis methods) and IEC 60268-16 (speech intelligibility).

iDAS - Intelligent Distributed Acoustic Sensor

by Silixa Ltd

The iDAS measures the true acoustic field every 1m over up to 50km of sensing fibre. It does this by sending an optical signal into the fibre and looking at the naturally occurring reflections that are scattered back all along the glass. By analysing these reflections, and measuring the time between the laser pulse being launched and the signal ...

OTT - Model SLD - Acoustic Doppler Sensor System (ADS)

by OTT Hydromet

The OTT SLD is an acoustic Doppler sensor system for continuous monitoring of flow velocity and water level (optional) in rivers and channels. The system guarantees reliable velocity measurements even in a flood situation with high sediment loads. The OTT SLD measures velocity in up to 9 adjacent cells with two horizontal beams looking sideways ...

Model Fusion 6G - Long BaseLine (LBL) Acoustic

by Sonardyne International Ltd.

Fusion 6G continues to be the world’s most popular Long BaseLine (LBL) acoustic positioning system by providing the most accurate method for installing subsea structures, tracking ROVs and conducting acoustic metrology. The system operates by measuring acoustic ranges to a seabed array of transponders. The ranges are then passed through a ...

Model CAL250 - Precision Acoustic Calibrator

by Larson Davis, a division of PCB Piezotronics

The Model CAL250 is a battery operated, temperature compensated precise Class 1 Sound Calibrator for use with 1 microphones for the performance measurement and calibration of Sound Level Meters and Dosimeters. Adaptors allow the calibrator to be used with 1/4,1/2 and3/8 microphones. The following specifications apply: - Calibration frequency = ...


Model MAVS-3 3 - Axis Acoustic Current Meter

by General Oceanics Inc.

The Mavs Current Meter is a true 3 axis Acoustic Current Meter which employs a differential travel time measurement technique. The current meter takes measurements across 4 acoustic axes to provide a true vector averaged velocity measurement. Programmable burst mode and triggered sampling provide the most flexible current meter available. The ...

Decimus - Model Mitigate - Passive Acoustic Monitoring

by St Andrews Instrumentation Limited (SAIL)

The Decimus Mitigate mode is an extension of the Decimus baseline mode and has been developed to enable simultaneous deployment of units across long and short distances. An array of units can passively monitor an area of interest simultaneously providing the operator with real time information about cetacean presence. At present it is possible to ...

DELTA OHM - Model HD 2070 - Three channel vibration analyzer

by Delta OHM S.r.L.

Three channel vibration analyzer HD2070 is a portable vibration analyzer performing spectral and statistical analysis on three channels simultaneously. The instrument measures all parameters required by current regulations concerning workers protection from vibration related risks and is able to measure vibrations transmitted to both hand-arm and ...

Model CAL200 - Precision Acoustic Calibrator

by Larson Davis, a division of PCB Piezotronics

The Model CAL200 is a battery operated, temperature compensated precise Class 1 Sound Calibrator for use with microphones. Adaptors allow the calibrator to be used with 1/4 and 3/8' microphones. The following specifications apply: Calibration frequency = 1kHz. Output Sound Pressure Level is selectable from 94 or 114 dB re 20Pa ( 0.2dB).

Model DT-100 - Acoustic Spectrometer

by Dispersion Technology Inc.

Acoustic spectrometer measures attenuation of ultrasound for a set of frequencies, typically from 1 to 100 MHz. This ultrasound attenuation frequency spectra contains information on particle distribution. Software performs fitting searching procedure for particle distribution that provides the best fit to the experimental data. This software is ...

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