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Hardware Recommendations

Any of the items below can now be purchased with SpectraPLUS. 

Click here for pricing information
Click here to order online!


Sound Cards

There are a large selection of sound cards on the market.  It is not practical for us to test the performance of each and every model but test results for our recommended sound card is shown below:

Manufacturer: Roland
Model: Quad CaptureVibration Testing

Features:

  • Up to 24bit/192 kHz stereo input and output
  • Dual Channel Balanced I/O
  • 48V Phantom Power
  • High Quality Mic Preamps
  • Ground Lift Switch
  • Excellent Performance
  • Rugged Portable Package
  • Fully USB Bus powered - no external power supply required

For two channel electrical and acoustic signal measurements this sound card does it all! 

Test Results (loop back self test):

  • THD:
        0.003 % (16 bit)
  • Frequency Response:
        12Hz - 55kHz (-1dB)
        6Hz   - 90kHz (-3dB)

Click here to download a test report (PDF)


Data Translation A/D Modules

Manufacturer: Data TranslationVibration Testing
Model: DT-9837A

Specifications:

  • 4 A/D Channels, 52.7 kHz sampling rate (simultaneous), 24 bit resolution
  • IEPE power (constant current)
  • Selectable AC/DC coupling
  • Input Range: 1 V or 10 V
  • 1 D/A channel, 24 bit continuous streaming
  • Hardware Triggering (TTL)
  • Tachometer Input Channel
  • USB interface (bus powered - no external power supply needed)
  • 500 Volt PC-Module isolation
  • Rugged steel case with BNC connectors

Click here for a summary of the Data Translation DT-9800 models


Microphones

Manufacturer: iSEMconVibration Testing
Model: EMM-13D082-P48

Specifications:

  • Frequency Response: 10Hz - 20kHz +/-1dB
  • Sensitivity: 30mV/PA
  • Dynamic Range: approx. 30...125 dBspl
  • Temperature: -10 to +55 C (+14 to +131 F)
  • Type: Condenser, Omni-directional
  • Capsule Diameter: 1/4"
  • Max SPL: 125 dB
  • Phantom Powered (48Vdc)
  • miniXLR to XLR cable included (5m)
  • Includes Calibration File
  • Stainless Steel housing
  • High SPL version available (140 dB max SPL)

 


Manufacturer: iSEMconReal Time Analyzer
Model: EMM-13D082-CCP

Specifications:

  • Frequency Response: 10Hz - 20kHz +/-1dB
  • Sensitivity: 30mV/PA
  • Dynamic Range: approx. 30...125 dBspl
  • Temperature: -10 to +55 C (+14 to +131 F)
  • Type: Prepolarized Condenser, Omni-directional
  • Capsule Diameter: 1/4"
  • Built in preamp
  • Max SPL: 125 dB
  • IEPE Powered (2-20ma constant current))
  • BNC connector
  • Includes Calibration File
  • Stainless Steel housing
  • High SPL version available (140 dB max SPL)

 

 


Microphone Calibrator

Manufacturer: iSEMcon
Model: SC-1

Real Time Analyzer

Specifications:

  • Frequency: 1 kHz
  • Level: 94 and 110 dB
  • Accuracy:
        +/-0.5 dB @ 20 deg C 
         Calibration Certificate included
  • Power: 9VDC
  • 1/4" Diameter adapter included