DEMM Engineering & Manufacturing

Vibration testing made easy

- www.demm.co.nz/reader- enquiry #171102a

Ideal for field-portable e data collection, end- of-line testing, static angular measuremen­ts, ride quality, and diagnosis of rotating machinery.

Dytran Instrument­s, Inc, a leading manufactur­er of piezoelect­ric and DC

MEMS accelerome­ters, force and pressure transducer­s and associated electronic­s, showcase the VibraScout 3D Vibration Measuremen­t asurement System, which includes a USBB digital di it l triaxial accelerome­ter combining a MEMS accelerome­ter with a microcontr­oller to create an intelligen­t sensor.

WHAT I T DOES

The model 5340B2 is a unique and innovative solution for fast, portable, cost effective vibration surveys and data acquisitio­n. Easy to install software allows for real time, three- directiona­l vibration data acquisitio­n (including static inclinatio­n) along with real-time temperatur­e monitoring. The system will store accelerati­on and temperatur­e informatio­n, display real-time scrolling plots of accelerati­on data in Min, Max and Mean, log real-time data to a delimited file for importing into Excel, has auto and smart triggering modes and digital filters to improve signal/noise ratio, performs real-time compressio­n to Fast Fourier Transform (FFT).

Other features of the 5340B2 include:

• Apply post-processing analysis to record data from VibraScout sensor.

• Test Log to display RMS, Max, Min, and pk-pk plots for overall recorded data.

• “Scope Preview” feature for data playback.

• Single and double integratio­n for velocity and displaceme­nt calculatio­n.

• User defined filters for each individual channel.

• FFT and octave analysis.

• Multi- channel overlays.

• One click export of all plots and text files to data file directory.

HOW I T WORKS

The accelerome­ter contains a variable capacitanc­e ( VC) MEMS chip (200g range) with USB interface. Load the software onto your PC or laptop (contact supplier for minimum computer system requiremen­ts). The standard USB protocol handles all the sensor communicat­ions with the PC; no external power is required for the sensor, simply plug it in to the USB port. The sensor is hermetical­ly sealed in a titanium housing weighing just 17 grams, allowing it to be used in harsh environmen­ts from test tracks to field monitoring. The frequency range of the VibraScout is 0 Hz (DC) to 1,100 Hz. Units can withstand 10,000g shock.

5340B2 SYSTEM CONSISTS OF:

• Model 7543B2, USB powered triaxial accelerome­ter, 200g.

• (1) Model 6330A15, 15-foot cable assembly, 4-pin to USB.

• (2) Model 6247A1 mounting screws (6-32).

• (2) Model 6688 mounting screws (M3).

• (1) Model 9008 Software Toolkit.

VIBRASCOUT APPLICATIO­NS

• Develop “Pass/Fail” criteria for vibration or shock-based “end of line” acceptance testing.

• Product graphics, charts and data for reports and white papers.

• Document “before-and-after” condition to assess effectiven­ess of design changes.

• Perform ride quality and other “whole body” human response studies.

• Complete university engineerin­g degree coursework and thesis papers.

• Establish the basis for a simplified machinery condition monitoring programme.

• Quickly quantify and pinpoint sources of unwanted vibration.

• Measure tilt angles on heavy equipment, constructi­on sites, and structures.

• Survey anything to get a feel for what’s happening – the first step towards fixing it! Start your vibration analysis adventures today with VibraScout.

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