Acoustic testing tank characteristics:

  • length: 4 m
  • Width: 2.5 m
  • Depth: 2 m

 

Laboratory measurement capability

 Maker - type

 Standard transducers

 Brüel & Kjær B&K8101, B&K8104, B&K8105, B&K8106
Reson TC4034, TC4035
High Tech Inc. HTI99, HTI90

Signal synthesizers

 NF Electronic Instruments 1930A
NF Function Synthesizer 1915

Power amplifiers

NF Electronic Instruments 4005 (100 VA)
Brüel & Kjær B&K 2713 (100 VA)
HSA 4052 (200 VA)

Low-noise preamplifiers

 Signal Recovery PAR 5113
NF Electronic Instruments 5307

Oscilloscopes

 Lecroy série 9310
Lecroy Wavesurfer 434

Impedance analyser

Hioki 3532 LCR Hitester

Filters

Kemo

Main activities :

Electro-acoustic measurements
Measurements in acoustic tank

Measurements in deep basin

Transmitting  sensitivity
Receiving sensitivity
Directivity 0.03° angular resolution)
Electrical impedances
Insulation

Frequencies: [8 kHz, 1 MHz]

Farfield: max. 3 m

Maxi weight: 50 kg

Frequencies: [1.5 kHz, 1 MHz]

Far field: max. 40 m

Maxi weight:: 500 kg
 

 

Transducer àto calibrate on the measurement rotary hole.

 

Standard transducer on the second measurement hole.
Distance between Transmitter and receiver and the depth of the standard are adjustable.