4-Channel Ethernet DAQ for IEPE Sensors

DT8837- 4-Channel Ethernet (LXI) Instrument with IEPE Sensor Supply

The DT8837 is a highly accurate multifunction module that is ideal for sound and vibration measurements. All the I/O channels are completely isolated from each other and from the computer, allowing noise-free data to be sampled in tough industrial environments. Four 24-bit IEPE (ICP®) sensor inputs, a 24-bit D/A stimulus output, a 31-bit tachometer channel are synchronized to provide data streams that are matched in time for field or laboratory use.

DT8837- 4-Channel Ethernet (LXI) Instrument with IEPE Sensor Supply

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  • 4 simultaneous, 24-bit Delta-Sigma A/D channels for high resolution measurements, or use as 4 IEPE inputs for direct sensor connection
  • Sample rate up to 52.734 kHz, programmable
  • Input range of ±10V or ±1V, software selectable per channel
  • ISO-Channel™ provides ±500V galvanic isolation channel-to-channel for all I/O signals and grounds
  • One 24-bit D/A converter, ±10V, up to 52.734 kHz continuous waveform output
  • Readback channel to allow correlation of output stimulus with sampled input data
  • 4 digital outputs can switch up to ±30V @ 400 mA
  • Stack up to 16 modules for parallel operation of 64 channels (IEPE or voltage) via the Trigger Bus
  • Synchronization reference clock, ADC sync and trigger input/output via LXI Trigger Bus for synchronizing up to 16 instrument modules
  • Collection of free drivers and utilities, including a trial version of QuickDAQ Advanced FFT Analysis Option
  • IVI-COM instrument driver for .NET, LabVIEW, VEE, MATLAB, LabWindows/CVI development
  • metal case, mains power supply EP361 included
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Free Data Logger Application - Upgradeable with FFT Analysis OptionsQuickDAQ
Free Data Logger Application - Upgradeable with FFT Analysis Options
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  • QuickDAQ Base Package (Free)
    ◦ Ready-to-measure application software
    ◦ Configure, acquire, log, display, and analyze your data
    ◦ Customize many aspects of the acquisition, display, and recording functions,
     including the acquisition duration, sampling frequency, trigger settings, and
     sensor configurations to use
    ◦ On each device acquire data from analog input, counter, tachometer, quadrature
     decoder, and digital input channels
    ◦ Use QuickDAQ in one of two modes:
     - Acquisition mode allows you to acquire data
     - File Reader mode allows you to view a previously recorded data file
    ◦ Generate output stimuli (hardware dependant): fixed waveforms, swept sine
      waves, or noise signals.

  • FFT Analysis Option (License Required)
    ◦ Includes all the features of the QuickDAQ Base Package
    ◦ Perform single-channel FFT operations including:
     Auto Spectrum, Spectrum, Power Spectral Density
    ◦ Configure and view dynamic performance statistics: IBF, THD, SFDR, SINAD,
     SNR, ENOB
    ◦ Supports Hanning, Hamming, Bartlett, Blackman, Blackman Harris, and Flat Top
      response window types
    ◦ Configure Digital IIR Filters (Bessel, Butterworth, Chebyshev) as low-pass,
      high-pass, band-pass, or band-stop

  • Advanced FFT Analysis Option (License Required)
    ◦ Includes all the features of the QuickDAQ Base Package and
      FFT Analysis Package
    ◦ Perform 2-channel FFT operations including:
      Frequency Response Functions (Inertance, Mobility, Compliance, Apparent Mass,
      Impedance, Dynamic Stiffness, or custom FRF) with H1, H2, or H3 estimator
      types, Cross-Spectrum, Cross Power Spectral Density, Coherence,
      Coherent Output Power
    ◦ Supports real, imaginary, and Nyquist display functions
    ◦ Additional FFT analysis functions supported: Exponential, Force, Cosine Taper
    ◦ Save data to UFF file format

Datasheets
Show file Datasheet
User Manuals
Show file User's Manual
full specifications inside
Show file SCPI Manual
SCPI (Standard Commands for Programmable Instruments) is an universal programming language for electronic test and measurement instruments, based on the IEEE 488.1 and IEEE 488.2 standards. DT8837 complies with the SCPI language and implements the IEEE-488.2 STD status structure. You can issue SCPI commands over VISA or sockets.
Images
Show file PCB Layout
Show file LXI Trigger Bus
Block Diagram
Show file Block Diagram
Application Notes
Show file Using DT8837 with MATLAB
Using the Instrument Control Toolbox™ from The MathWorks™, you can access the functions of the DT8837.
Show file More Information on LXI
LXI is an instrumentation platform based on industry standard Ethernet technology designed to provide modularity, flexibility and performance to small- and medium-sized systems. ..
Show file More Information on IVI
Build you own applications based on Visual C++, Visual C# and Visual Basic .NET, Visual Basic 6.0, LabVIEW, LabWindows/CVI, MATLAB, Keysight VEE Pro.
White Papers
Show file Why ISO-Channel Technology is Your Best Return on Investment
When connecting signal sources it is important to eliminate the sources of error that can contribute to inaccuracies in your measurements. In most measurement instruments, this burden is on the customer. Instruments that use ISO-Channel ...
Show file ISO-Channel™ Protection
to eliminate any common mode noise and ground loop problem in any environmental conditions
More Downloads
Show file Driver for Instrument Control Toolbox in MATLAB
Using the Instrument Control Toolbox from The MathWorks, you can access the functions of Data Translation's instrument modules. The Instrument Control Toolbox communicates with DT instruments through a MATLAB driver to the instruments IVI-COM driver.
Software Downloads
Show file DT8837 Driver Download (217 MB)
- Trial version of QuickDAQ Advanced FFT Analysis Option
- Includes the DT8837 IVI-COM drivers
Show file DT8837 Support Software (19 MB)
- Eureka Discovery Utility
- SCPI Support (Manual and Examples)
- Calibration Utility
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Product overview
Show file Simultaneous Data Acquisition Overview



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