Vibration Control System

Key Features

  • standalone software package
  • Random testing
  • Designed specifically for acquiring data for Modal Analysis
  • Rotating Machinery Analysis

Advantages

  • Computer-Aided Test Suite provides a consistent, intuitive graphics capability
  • Networking, test automation, organize test information with database tools
  • possible to reproduce actual measured time history vibration data in the laboratory
  • Patented adaptive equalization technique

Application

  1. Quality & reliability testing
  2. Durability testing
  3.  Operating status of parts and products in extreme conditions.

Technical Data

  • Dynamic range >92 dB 
  • Amplitude accuracy Within ±0.20% of value or ±0.03% of full scale 
  • Amplitude linearity ±0.03% of full scale or ±0.2% of measured value, whichever is greater 
  • Voltage ranges Application dependent; 27 mV to 10V full Scale, in 3dB steps for Random and Shock, 12 mV to 10V full scale, in 1 dB steps for Sine 
  • Overload detection::  Full scale on all channels, analog and digital detection 
  • Voltage coupling AC or DC 
  • ICP power: 4 mA (20V maximum into open circuit) 
  • Maximum rated input signal: ±35 Volts peak 
  • Sampling rate: 51,200 or 102,400 samples per second 
  • Multichannel Sampling: Simultaneous sampling on all channels-no interval 
  • Frequency accuracy: ±5 ppm Frequency range reduction Digital decimation and filtering using on-board DSPs 
  • Analog Anti-aliasing filters:
    • Type- Filter matches 64X oversampling A/D converter 
    • Cutoff frequency- Fixed at 225 kHz Alias attenuation >96dB 
    • Passband ripple- Within ±0.10 dB 
  • Digital 
    • Cutoff frequency- Variable 
    • Stopband attenuation-  >96 dB at 1.56 times cutoff frequency 
    • Passband ripple- Within ±0.15dB 
  • Channel-to-channel match 
    • Amplitude (compensated)-  Better than ±0.25 dB 
    • Phase (compensated)-  Better than ±1.0 degree to 20 kHz 
    • Crosstalk-  > -90 dB below full scale 
  • Offset removal 
    • Type- Digitally controlled offset rejection 
    • Accuracy (compensated)- Better then ±0.5% of full scale, for each input range
    • Input impedance- 1 MegaOhm shunted by <120pf
  • Connector type: BNC 
  • Connection type: Pseudo-differential, 10 Ohms to system ground, low side return 
  • Calibration: Internal digital calibration, NIST referenced 
  • Calibration constants: Digital calibration constants stored in nonvolatile RAM 
  • Graphics User Interface