Lanxi data analyser passes test of strength
A
Bruel and Kjaer product story
Edited by the Engineeringtalk editorial team
Oct 13, 2008
Bruel and Kjaer's Lanxi data acquisition hardware has been built to conduct noise and vibration tests inside demanding environments.
The Lanxi data analyser is designed for use in aircraft and vehicle cabins and has a tough magnesium casing, which enabled it to endure being reversed over several times by a Corvette.
While the company said it would not recommend the practice, it said the test proved the robustness of the Lanxi analyser.
Lanxi's magnesium case weighs 600g and the slim module fits inside a laptop bag, allowing users to carry it as hand luggage when travelling overseas for field work.
It can also withstand temperatures ranging from -10 to 50 degrees and is silent during as it has self-cooling vents instead of fans.
The multi-channel Lanxi can perform any type of test, from simple two channels, such as resonance tests of wind turbine blades, to multi-channel tests with several large rack systems used for advanced noise source identification.
It also makes the testing of larger vehicles, such as aircrafts, ships and trains, simpler.
Any number of the individual modules can be placed around interior cabins, allowing analysis to be carried out in one go.
Lanxi can also be used for analysing buildings and other large structures, such as bridges or wind turbines.
The system operates on a 'plug and play' concept, running Power over Ethernet (PoE) or plugged into a mains socket with one LAN cable.
The same LAN cable transfers the data to a laptop, provides power using PoE and synchronises measurements between multiple, distributed A/D clocks using IEEE 1588 Precision Time Protocol (PTP) synchronisation.
Using a single cable for data transfer, power and synchronisation reduces complexity and cost when testing large structures.
Lanxi's modules are easily adapted for different microphones, probes and other accessories the user may need, by changing the front end connectors, which can be unclipped.
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