National Instruments Sound And Vibration

[Helen Drewski]

mp international offers fully integrated multi-application NVH software that supports National Instruments acquisition hardware. Compared to a tool-kit approach, m+p Analyzer is a complete solution, from taking measurements, to generating reports, and taking care of all the complications of signal processing issues and data interpretation. It is also fully maintained and supported for the long term as well as being quicker to get up and running for your testing projects.

With National Instruments high-precision data acquisition cards, m+p Analyzer is a flexible real-time analyzer for sensor and electrical measurements in the lab or in the field. It integrates seamlessly with a full range of National Instruments USB, Ethernet, Wifi, PCI and PXI modules for analysis, display and reporting.

Signals can be easily acquired from thermocouples, resistance temperature detectors (RTDs), strain gauges, load cells, accelerometers, microphones, and many more, using the appropriate USB module. m+p Analyzer supports the NI CompactDAQ USB chassis providing the plug-and-play simplicity of USB to acquire data from sensors and signals. Available with one, four, and eight slots, NI CompactDAQ USB chassis are designed for small, portable, mixed-measurement systems on the bench or in the field.

The National Instruments PCI data acquisition modules are installed into a PC slot guaranteeing maximum data throughput. For high channel counts requiring tight synchronization PXI hardware is the right solution. The PCI/PXI modules are used for sound and vibration applications, structural tests and strain gauge measurements.

National Instruments (Nasdaq: NATI) announce the latest version of its NI Sound and Vibration Measurement Suite software, which provides a comprehensive collection of analysis and signal processing tools for noise, vibration and harshness (NVH) testing, machine condition monitoring (MCM) and audio test applications. Engineers can use the suite as stand-alone software or combine it with NI hardware and NI LabVIEW system design software to greatly simplify test system development and control. With its new vibration data-logging functionality and other enhancements, the Sound and Vibration Measurement Suite 2011 helps engineers to more easily customize and automate any MCM or NVH test or monitoring application.

The Sound and Vibration Measurement Suite 2011 greatly simplifies the development of MCM, NVH and audio measurement systems with several new features, including a ready-to-run data-logging virtual instrument that makes it possible for engineers to save data continuously or based on specific criteria such as triggers or time. Engineers can easily configure the data logger and run it as long as necessary for a variety of sensor types including accelerometer, tachometer and proximity probes. The measurement suite also includes the Sound and Vibration Assistant, a stand-alone software module for quickly acquiring, analyzing and logging acoustic, noise and vibration data. Additionally, the Sound and Vibration Measurement Suite provides new, easy-to-use application examples for impact test and swept sine analysis. These enhancements for the 2011 version add superior flexibility and high-performance capabilities to a variety of sound and vibration measurement projects.

By integrating with LabVIEW, the Sound and Vibration Measurement Suite 2011 helps engineers increase test throughput with advanced parallel processing capabilities, among many other advantages of LabVIEW. LabVIEW 2011 can dramatically increase development efficiency through new engineering-specific libraries and its ability to interact with almost any hardware device. Together, LabVIEW and the Sound and Vibration Measurement Suite 2011 help engineers integrate individual measurement types into a single, reconfigurable platform so they can do their jobs faster, better and at a lower cost.

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CompactDAQ is a small, modular DAQ system capable of analog I/O, digital I/O, counter/timer operations, industrial bus communication, and sensor and electrical measurements. A CompactDAQ system consists of a chassis and C Series I/O modules.

C Series Systems provide an effective combination of channel count, resolution, and speed designed to meet the needs of all types of voltage measurement applications. Select a chassis if required, and select from popular modules used for ICP accelerometers and microphones and more as well as traditional strain gages.

USB chassis are designed for one to fourteen C Series I/O modules. The chassis can measure a broad range of analog and digital I/O signals and sensors over a Hi-Speed USB 2.0 interface, USB 3.0 on the cDAQ-9179.

Provides dynamic signal acquisition in sound and vibration applications for CompactDAQ systems. C Series Sound and Vibration Input Modules incorporate software-selectable AC/DC coupling, ICP/IEPE open/short detection, and ICP/IEPE signal conditioning. The input channels simultaneously measure signals. Each channel also has built-in anti-aliasing filters that automatically adjust to selected sample rate. The modules are compatible with smart TEDS sensors.

Provides analog input channels for measuring strain as part of CompactDAQ systems. C Series Strain/Bridge Input Modules work with higher-channel-count dynamic strain measurement systems. Modules can acquire measurements from up to eight channels, with compatibility options for quarter-, half-, and full-bridge sensors. C Series Strain/Bridge Input Modules are ideal for application channels requiring measurements at particular times, such as impact tests. They include built-in voltage excitation, as well as transient isolation for high-common-mode noise rejection and improved safety.

NI Part 196809-01. Used with NI-9237 card. The NI-9949 is a female RJ50 to 10-pin screw terminal adapter. It is strictly a connectivity accessory and does not contain bridge completion. Half- and full-bridge completion is provided by the NI-9237 simultaneous bridge C Series module. The NI-9949 kit contains four adapters, one for each channel on the NI-9237. This kit provides the easiest connectivity for the NI-9237. Typically used with a 4-pack of 2m RJ50 cable, NI Part 194612-02, ordered separately.

NI Part 779012-01. A simultaneously updating analog output module. It features overvoltage protection, short-circuit protection, low crosstalk, fast slew rate, high relative accuracy, and NIST traceable calibration. The NI 9263 module includes a channel to earth ground double isolation barrier for safety and noise immunity.

NI Part 783731-01; Card intended for high-performance control and monitoring applications. It features programmable input ranges and variable connectivity options. To protect against signal transients, the NI 9203 includes a channel to earth ground double isolation barrier (250 Vrms isolation) for safety and noise immunity.

NI Part 785748-3501; FlexLogger is application software for quick sensor configuration and data logging of mixed signals. Build flexible, scalable data-logging systems with NI hardware above with no programming required. The Modal Shop rental model NI FlexLogger includes the system controller with FlexLogger preinstalled to minimize setup time.

The Modal Shop, Inc. offers structural vibration and acoustic sensing systems and services for various applications in design and test laboratories as well as manufacturing plants. An extensive sound and vibration rental program, precision calibration systems, and both modal and vibration shakers are designed to simplify test phases. Non Destructive Testing Systems help manufacturers provide 100% quality inspection of metal components. The Modal Shop is a wholly owned subsidiary of PCB Piezotronics, Inc., a wholly owned subsidiary of Amphenol Corporation.

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document.write(new Date().getFullYear()) PCB Piezotronics, Inc. In the interest of constant product improvement, specifications are subject to change without notice. PCB, ICP, Swiveler, Modally Tuned, and IMI with associated logo, SoundTrack LxT, SoundExpert, and Digiducer are registered trademarks of PCB Piezotronics, Inc. in the United States. ICP is a registered trademark of PCB Piezotronics Europe GmbH in Germany and other countries. SensorLineSM is a service mark of PCB Piezotronics, Inc.

A hearing aid is a small electronic device that you wear in or behind your ear. It makes some sounds louder so that a person with hearing loss can listen, communicate, and participate more fully in daily activities. A hearing aid can help people hear more in both quiet and noisy situations. However, only about one out of five people who would benefit from a hearing aid actually uses one.

A hearing aid has three basic parts: a microphone, amplifier, and speaker. The hearing aid receives sound through a microphone, which converts the sound waves to electrical signals and sends them to an amplifier. The amplifier increases the power of the signals and then sends them to the ear through a speaker.

Hearing aids are primarily useful in improving the hearing and speech comprehension of people who have hearing loss that results from damage to the small sensory cells in the inner ear, called hair cells. This type of hearing loss is called sensorineural hearing loss. The damage can occur as a result of disease, aging, or injury from noise or certain medicines.

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