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  Home > Acoustic Measurements >

  4-ch Narrowband Acoustic Analyzer
 
 
Alternative Views:
Real-time FFT analyzer for accelerometers

Our Price: $450.00


Availability:: Available for download now
Product Code: 4MICS

Choose Hardware

Measurement Hardware Options*: 		I want to use my own Hardware
Precision Bundle [Add $2,778.00] See Details
Low-Cost Bundle (Includes 3m Cable) [Add $1,018.00] See Details
Choose a Sensor

Sensor Options*: 		I want to use my own Sensor
Precision Mic, 23dB to 146dB [Add $1,749.00] See Details
Low-Cost Mic, 50 to 120dB [Add $515.00] See Details

 
Description Technical Specs Compatible NI Devices
 
This application acquires the time waveform and calculates the naroowband frequency spectrum (FFT) of 1 to 4 microphones in real-time. It displays the time waveforms on one graph, and frequency plots on the other graph. You can pause the acquisition, change settings, re-start, then export the most recent block of time data and the FFT data to Microsoft Excel or an ASCII text file. There are capabilities of both frequency weighting ("A Weighting", "C Weighting" and none), time weighting modes (Linear, exponential, peak, etc.) and a variety of time window filters for the advanced user (hanning, hamming, etc.) Please click on the "technical specs" tab for more details
 
The software is compatible with any sound card recognized by Microsoft Windows or National Instruments data acquisition devices:  The leading provider of PC-based data acquisition devices for PCI (plug into the desktop), USB, etc.  You can use a recommended hardware bundle from us or you can use your own National Instruments hardware from the approved list on our ReadME file.  The microphone options we recommend will work with any of the hardware bundles in the ReadME file. If you're using a conventional sound card (even like the one pre-installed with your PC), then a commercially available microphone with a mini-stereo plug-in jack for your computer would work fine.
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The analysis and report generation is up to you. The sole purpose of the software is to make it very easy to get from your seismic accelerometer to Microsoft Excel.  The power to graph, present, and analyze is in your hands:  We do not try to pigeon hole you into some proprietary format with limited reporting flexibility.
 
We strive to make the installation and setup very simple - please e-mail us at support@justmeasure.net if you have any questions and we pledge to have a real person respond ASAP!
Features
  • Automatically detects and installs 40 types of PC-based Data Acquisition devices from National Instruments
  • Compatible with any sound card recognized / installed already in Microsoft Windows
  • Capable of handling up to 4 channels in real-time
  • Calculates 400, 800, 1600, 3200, 6400, 12800 line FFTs - you can also define your own resolution! As much as your computer has the power to do the calculations.
  • Compatible with any microphone rated with an output in mV/PA or less commonly mV/PSI
  • Displays a time waveform and saves the most recent blockof time data from each channel
  • Calculates the acouscit narrowband spectrum (FFT) in real-time with a variety of time window and filtering options.
  • Diplays the frequency expressed in Decibels (dB) RMS
  • Clearly specifies proper connections to the microphonein the ReadME
  • Automatically opens Microsoft Excel and exports a time/date stamp along a 1 second time waveform sample per channel and and FFT at 1Hz increments
  • Exports the same data to an ASCII tab-delimited text file as an alternative.

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