T&D World Magazine

Handheld Vibration Spectrum Analyzer Supports Windows Mobile/Pocket PC Platform

Datastick Systems, Inc. has introduced the VSA-1225 Vibration Spectrum Analyzer, its first product on the Windows Mobile/Pocket PC platform. This PDA-based vibration analyzer/data collector includes the new version 1.8 of the Datastick Spectrum software suite.

The VSA-1225 joins Datastick's line of Palm-based VSAs in enabling cost-conscious companies to use vibration analysis in machine condition monitoring, predictive maintenance, and routine troubleshooting. The VSA-1225 consists of Datastick hardware and software, plus the Hewlett-Packard iPAQ handheld computer, and one or more sensors.

The VSA-1225 hardware module attaches firmly to a HP iPAQ hx2400-series or hx2700-series handheld. The iPAQ supplies the computing power and 128 MB of data storage, while the Datastick VSA hardware module supplies the sensor power, Datastick electronics, and interface. SD (Secure Digital) memory cards -- up to 2 GB each -- provide virtually unlimited auxiliary storage. The module has a standard BNC connector and a very low-noise input that accommodates and powers almost any ICP-type piezoelectric accelerometer or ICP-type velocity sensor.

For the handheld computer, the Datastick Spectrum software suite includes Datastick Spectrum and Datastick Review software. New Version 1.8 of Datastick Spectrum software records and shows vibration FFT spectra in acceleration, velocity, and displacement displays, and now in a new vibration decibel display. In addition, Spectrum provides time-domain acceleration waveforms, and records and displays overall vibration with color-coded ISO (or custom) alert levels. Using Datastick Review, the customer can compare previous reads with the current read in Spectrum.

Vibration data is transferred to the PC by copying the data directly from the SD card. The system includes new version 1.8 of Datastick Reporting System (DRS) software for the PC, which imports the data from the handheld into a special Microsoft® Excel®-based application on the PC. Reports are created with just a mouse click, and since DRS is based on Excel, users can share data freely across a network or by email, or publish reports to the web..

The VSA module includes an extremely low-noise analog input for standard ICP-type accelerometers and velocity sensors, optimized digital circuitry, and a built-in rechargeable lithium-ion battery with optimized power management to allow the VSA-1225 to operate and power ICP sensors far beyond an eight-hour shift.

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