Our products for testing and applied research
All our products
All the products offered by Almacoustic were originally developed in response to a specific requirement. Their development and marketing were driven by a need identified in the field of experimental acoustics.
Intensimetry bench
Source localisation and sound power measurements.
Integrated test bench for measuring the impedance and intrinsic properties of acoustic materials.
Maine Flow Bench
Qualification of liners for the aerospace industry under airflow conditions up to Mach 0.6 and 150 dB. Acoustic impedance measurements up to 5000 Hz.
Industrial silent benches
Performance measurements of industrial ventilation silencers in accordance with ISO 7235. Assessment of sound attenuation, pressure drop and flow-induced noise.
A reverberation chamber for measuring sound absorption (Alpha Sabine), sound insulation and sound power. Available in a standard version or customised to your specifications (dimensions, shape, features, etc.).
Test chamber for helmet-type hearing protectors and earplugs. Objective measurements on an artificial head. Test rig compliant with ISO 4869-3.
Test booths
Test chamber ensuring specific measurement conditions (control of the sound pressure field).
Alpha Test Chamber: measurements of the sound absorption of materials
Delta Booth: measurement of hearing protection performance in accordance with ISO 4869-3
Impedance sensor
Measurement of the acoustic impedance of objects or materials. Applications: musical instruments, dimensional inspection, sound absorption coefficient.
An instrument for measuring non-steady-state fluid flow in a pipe. Applications: measurement of instantaneous flow rate at the intake or exhaust of internal combustion engines, characterisation of highly pulsating flow rates, regulation/control of instantaneous flow rate…
Maine 3A is a software programme for predicting the acoustic properties of multilayer structures containing poroelastic materials. Featuring an intuitive graphical user interface, Maine 3A enables the structure of a multilayer to be optimised very quickly to achieve the desired performance.
Sound insulation measurements – ISO 15186-1
Assessment of the sound insulation performance of partitions, doors, joinery, etc., in accordance with ISO 15186-1. An intensimetric method enabling overall measurements and/or measurements broken down by zone.
A 1/4″ microphone designed for acoustic testing. Electret capsule with a wide dynamic range.
Resistivity meter
Air-permeability resistivity test bench in accordance with standard NF EN 29053 (ISO 9053), complete with control and data acquisition software.
1/4″ pressure-to-pressure mini-intensity probe. Applications: wall attenuation measurements, source localisation, acoustic imaging (double-layer antennas). Available in a standard version or customised to your specifications.
Manufacture of equipment capable of generating acoustic excitation for test benches (for example, for duct testing). Performance tailored to specifications (frequency range, sound level, etc.). An enclosure is available for improved acoustic insulation. Versions suitable for high pressures and high temperatures.
Data acquisition and processing software designed for acoustics.
Input/output management, calibrations – Spectral analysis, acoustic intensity measurement – Management of standardised measurements: sound power, sound insulation, reverberation time – Measurements in ducts (TL, Kundt tube).
In addition to a wide range of features, bespoke developments can be carried out for specific applications.
A device for eliminating reflections at the end of a duct. Anechoic terminations for ducts of all sizes and shapes. Two types of termination are available, depending on whether or not there is an air flow. Almacoustic patent B22509FR.
Measurement of the absorption coefficient and surface impedance of acoustic materials in accordance with standard NF EN ISO 10534-2 (transfer function method). We can supply complete, bespoke test set-ups: tubes, sensors, and software for data acquisition and processing.
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