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Outline
The VA-11 is a portable analyzer designed for examining machinery vibrations
and performing diagnostic routines on various kinds of equipment. It has a
basic but highly useful array of functions. Except for envelope processing, all
processing functions are carried out in the digital domain. The built-in compact
flash card slot allows easy storage and export of data to a computer. The unit
has a vibration meter mode and an analyzer mode for FFT analysis. In vibration
meter mode, simultaneous measurement of acceleration, velocity, and
displacement is carried out. Velocity rms value, peak value, and crest factor
can also be displayed simultaneously. In analyzer mode, FFT analysis is used
to determine the power spectrum and vibration waveform. The capability to
perform envelope processing before FFT analysis is highly useful for equipment
diagnostics.
Features
• DSP chip performs digital processing of integral value and rms value
• Simultaneous display of acceleration, velocity, displacement
• 16-bit A/D converter achieves 80 dB dynamic range for FFT analysis
• Simple operation with only 10 controls
• Internal memory holds up to 500 data sets of any type
• Timer allows automatic storing of data at preset intervals
• 10 sets of unit control settings can also be stored
• Capability to record and re-analyze time waveform data
• High-speed serial data transfer at up to 38400 bps
• Built-in compact flash card slot
• Large LCD panel with EL backlight and 192 × 128 dot resolution
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