Atec VB2000-T User Manual

Commtest VB2000-T

FFT Vibration Analyzer

Measure and Display Velocity, Acceleration and Displacement

Features & Specifications

• Powerful MAS Analysis Software

• Programmable via a PC

• Two channels, two accelerometers, simultaneous measuring

• Single- or dual-plane balancing with pri nt a ble reports

• 8 MB expandable memory stores 8000-plus spectra

• Access to fault frequencies on over 120,000 bearings

• Tachometer for automatic capture of running speed

• 3200 Line FFT capability

• 20 kHz Fmax

• 95 dB Dynamic Range

• Built-in RS232 Interface for data exchange

• Battery operated

Accelerometer Input

• Number of channels: 2

• Sensitivity: 100 mV/g nominal

Tachometer Input (Kit shown to the left)

• Input type: Optically isolated, accepts TTL pulse

• Sensor: Optical sensor with reflective tape, included

• Optical sensor range: 20mm to 1m

Parameter Indication

• Displays: Acceleration, velocity, displacement

• Maximum Levels: ±80g (800m/s), ±4in/sec (100mm/s), ±400mil (10mm)

• Dynamic signal range: 95 dB or greater (typical at 400-line resolution)

• Harmonic distortion: Less than -70 dB typi cal

• Display ranges: 60 dB or 120 dB visible range with manual shift

• Units: g or m/s2, in/s or mm/s, mil or mm, adB, vdB

• Graph types: Spectrum (frequency domain), waveform (time domain)

• Magnitude display: Overall rms value, cursor-position value

• Cursors: Standard, Dual & Harmonic

• Frequency response: ±0.2 dB from 10 Hz to 5kHz; ±0.5 dB from 3 Hz to 20 kHz

Spectrum Parameters

• Frequency scale: Hz, cpm

• Y-axis: Acceleration, velocity or displacement