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Hand-Held Real Time Vibration Analyzer

VI-400Pro is an advanced hand-held real time vibration analyzer

The VI-400Pro is an advanced hand-held real time vibration analyzer. It can simultaneously monitor up to four input channels with each channel including 1/1 or 1/3 real-time octave band data.

Three of the channels are typically used for tri-axial vibration measurements. The bonus fourth channel can simultaneously analyze either sound or an additional single axis of vibration using additional optional transducers.

With 32MB of Internal Memory, the VI-400Pro logs over 2 Weeks of 1-Second RMS/MAX/MIN/Peak results.

To easily configure the VI-400Pro and to thoroughly analyze your data, the VI-400Pro is fully integrated with QuestSuite® Professional II "The System Solution" Software Application.

For pricing and availability information regarding the purchase, service or calibration of Quest products, please email Customer Service.

For the answers to questions regarding installation, setup, operation, maintenance or trouble-shooting of Quest products, please email Technical Support.

Related Information:
The VI-400Pro and ISO 8041:2005 (pdf) 83k

Brochures Available:
English Version (pdf) 1.08M

VI-400 Technical Specifications
Hand Arm Sensor with 10mV/g sensitivity:
  • RMS Range:
    .001 - 596 m/s2 based on filter
  • Peak Range:
    0.003m/s2 - 798 m/s2 based on filter
Whole Body Sensor with 100mV/g sensitivity:
  • RMS Range:
    .001-596 m/s2 depending on selected filter
  • Peak Range:
    0.003m/s2 - 798 m/s2 depending on selected filter
Units:
  • English
  • Metric
  • dB
Vibration Modes:
  • Acceleration
  • Velocity
  • Displacement
Machine Vibration Measurements:
  • RMS
  • Peak, Peak-Peak
  • MTVV
  • Min, Max
  • Aeq
  • Time History
Hand Arm Vibration Measurements:
  • RMS
  • VDV
  • Peak, Peak-Peak
  • Min, Max (MTVV)
  • Vector Sum
  • A(8)
  • EAV Time
  • ELV Time
  • Time History
Whole Body Vibration Measurements:
  • RMS
  • VDV
  • Peak, Peak-Peak
  • Min, Max (MTVV)
  • Vector Sum
  • A(8)
  • EAV Time
  • ELV Time
  • Time History
Sound Level Measurements:
  • SPL
  • Leq,/Lavg
  • SEL
  • Ldn
  • Ltm3, Ltm5
  • L1 to L99
  • Lmax, Lmin, Lpeak
  • Time History
Dynamic Range:
  • 100dB
Frequency Range:
  • 0.5 to 20kHz (input transducer dependent & filters)
Sampling Rate:
  • 51.2 kHz
Analyzer:
  • Real-Time 1/1 & 1/3 Octave Analysis
  • Optional FFT
Vibration Frequency Weightings:
  • HP1, HP3, HP10
  • Vel1, Vel3, Vel10, VelMF
  • Dil1, Dil3, Dil10
Sound Frequency Weightings:
  • A, C, Lin
Hand Arm Frequency Weightings:
  • Wh
Whole Body Frequency Weightings:
  • Wc, Wd, Wj, Wk, Wm, KB

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