Plug and play DEWESoft sound intensity solution

DEWESoft introduces a new simple and intuitive sound intensity measurement
solution with portable, expandable and adaptable features.

How does sound intensity work?

A powerful tool used for noise source location, their order ranking and
determination of emitted sound power, the sound intensity measurement technique
is based on the simultaneous determination of sound pressure and particle
velocity using two closely-spaced, face-to-face, phase matched microphones. The
sound intensity probe itself must maintain a well-defined acoustical spacing
between the microphones without causing any disturbance to the sound field.

Plug and play

DEWESoft’s sound intensity solution can be easily set up with only three
connectors required to be connected. The state-of-the-art Sirius Mini can also
be seamlessly paired with intensity probes from different manufacturers.
Measurement is fully controlled from the intensity probe, making it
straightforward and agile for the user.

Quick sound source
identification

Depending on the direction of the travel of sound waves (from microphone
A to B or vice versa), the Sound Intensity plugin will display different values
– either positive or negative – as it is moved along the axis of the probe.

DEWESoft X3 will toggle between positive and negative values. As this
process is done for the horizontal and vertical alignment of the probe axis, the
sound intensity solution reliably identifies the noise source location with extreme
precision.

DEWESoft’s powerful solution is completely portable, as the Sirius Mini can
be powered over USB and coupled directly with an intensity probe. Moreover,
200V polarisation voltage is supported for on-the-go probes where required. The
Sirius Mini features four analogue inputs with two used by the intensity probe,
leaving the remaining two for other measurement sensors.

Besides fully supporting existing probes, DEWESoft offers complete kits
with an intensity probe supplied. G.R.A.S. 50GI-R was chosen, as it covers the
entire frequency range with a provided selection of spacers.

Key features of DEWESoft’s sound intensity solution include compliance
with sound intensity based sound power calculation using discrete points
segmentation method (9614-1) and scanning method (9614-2); calibration
according to IEC61672; quick sound source identification; adapted method for
measuring big chillers and transformers; reusability of existing sound
intensity probes from G.R.A.S. and other manufacturers; future-proof
application; and familiar and comprehensive user interface.

Despite being simple, the sound intensity solution can be used to
determine sound power of devices big and small.

A best-in-class provider of data measurement
devices, DEWESoft is represented in Australia and New Zealand by
Metromatics

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