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DLI Engineering products employ the most advanced vibration data collection technology and intelligent machine condition assessment software available. DLI's unique approach is a result of more than 38 years of experience developing proven techniques.
SignalAQ™ Advanced Analysis Software

DLI's SignalAQ™, Advanced Vibration Analysis Software, received the 2001 Product of the Year Award from Plant Engineering Magazine

The AQ-204 data acquisition card is the smallest and most powerful data analyzer of its kind. When coupled with our Signal AQ software it transforms your laptop computer into a four-channel vibration analyzer. The AQ204 PC card & Signal AQ software are integral parts of the DCX™/ExpertALERT™ family of portable and online data collectors.

  • 4 channel, simultaneous data acquisition
  • Advanced cross-channel analysis
  • Unlimited continuous time data capture
  • Remote, multiple client network access using Active-X technology

    It is highly versatile in its PC-card, type III form-factor, meaning it can be installed into most laptop and pen-tablet computers running Windows 98 or ME. AQ-204 network support includes Active-X technology, allowing multiple software clients to simultaneously access and control its data acquisition. This means that monitoring 4 channels of simultaneous, dynamic can be remote via your LAN, WAN or the Internet.

    The Right Tool for the Job

    SignalAQ's rich features set it apart from the competition. The 4-channel, simultaneous data acquisition capability allows you to collect data more quickly and synchronize dynamic events. Analog integration provides much greater signal to noise ratio than our competitor's digital integration methods. Internal ICP power (feature of AQ-204) means you do not need additional power sources to use your ICP transducers. Our intuitive user interface allows easy control of the acquisition, storage and presentation of data as well as management of data acquisition "projects".


  • Linear RMS Spectra
  • Envelope Detection Demodulation
  • Cross Power Spectra
  • Transfer Function
  • Time Waveform
  • Overall RMS
  • DC Measurements
  • Triggered Data Acquisition
  • Synchronous Averaging
  • Continuous Time Data Capture

    Project Management

    One of the most exciting capabilities of SignalAQ is its ability to manage your projects. Organized with a hierarchical tree, project objects are easy to manage. These objects include project description, hardware setups, specific display configuration, unlimited data sets, logical grouping of data and related graphical objects. In addition, you can drag and drop these objects from one project to another, saving project configuration and management time.

  • Vibration Monitoring
    Infrared Imaging
    Laser Alignment
    Ultrasonic Detection
    Balancing Weights & Alignment Shims
    Strobes & tachometers
    PdM Services

    Vibration Monitoring | Infrared Imaging | Grease Analysis | Accelerometers | Laser Alignment | Ultrasonic Detection | Training | Accessories

    J L Griffin LLC. ~ E-mail jim@jlgriffin.com ~ 4625-B Turtle Creek Drive, Brookfield, WI 53005 ~ TEL 414.218.8088 ~FAX 262.373.1055