(Speed
Sensor/Tachometer kit included)
Tachometer Display
- Displays: rpm, Hz, 1X amplitude, and
phase angle
- Range: 30 rpm (0.5 Hz) to 65000 rpm
(1.08 kHz)
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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 printable 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 typical
- 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
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