| Laptop Personal Computer |
(minimum specification, where not exceeded by operating system spec.) |
| |
Processor |
266 MHz Pentium min. |
| |
Memory |
64 MB min. |
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Free Hard Disc |
100 MB min. |
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CDROM |
24X typ. |
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Floppy Drive |
3.5 in. 1.44 MB |
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PCMCIA Slot |
Type 2 |
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Operating System |
Windows 95/98/Me/NT/2000/XP |
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|
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| Vibration Sensor |
(when supplied) |
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Type |
Wilcoxon Model 731A |
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Dynamic Range |
20 mm/s2 pk-pk |
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3dB Bandwidth |
0.1 - 500 Hz |
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Noise Limit |
1 mm/s2 pk-pk max. 0.15 mm/s pk-pk at 1Hz, 0.03 mm/s pk-pk at 5Hz
0.025 mm pk-pk at 1Hz, 0.001 mm pk-pk at 5Hz. (2000 points, 20 Hz range) |
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Accuracy |
±5 % (with gain calibration file) |
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| Inputs |
|
|
1A, 2A (vibration) |
1B, 2B (voltage) |
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Dynamic Range |
±1 V (AC) |
±10 V |
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3dB Bandwidth |
0.034 Hz - 3.2 kHz |
0 - 3.2 kHz |
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Input Impedance |
470 kOhms (AC) |
100 kOhms |
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Noise Limit |
1 µV pk-pk max. |
10 µV pk-pk max. (2000 points, 20 Hz range) |
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Accuracy |
±2 % |
±1 % |
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Current Source |
2.4mA, 21V max |
- |
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Input Matching |
Gain difference 1 dB max, Phase difference 2 degrees max. |
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Cross-talk |
Better than -60 dB |
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Aliasing |
Better than -60 dB |
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| Spectrum Analyser |
|
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Channels |
2 |
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Inputs |
A (vibration), B (voltage) |
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Displays |
Waveform, Windowed Waveform, Spectrum RMS, Spectrum 0-Pk, Spectrum Pk-Pk, Third Octave, Power Spectrum, Power Spectral Density,
Transfer Function: Magnitude, Phase, Real, Imaginary, Coherence |
| |
Units |
Base units: Acceleration - m/s2,Velocity - m/s, Displacement - m,
Pressure - Pa, Force - N, Voltage - V, Power - unit2, PSD - unit2/Hz
User-definable scaled and dB units, eg: g's*, inch/s, dB, lbf, psi
Available prefixes: pico, nano, micro, milli, none, kilo, mega, giga, tera. |
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Vertical Ranges |
0.5, 1, 2.5, 5, 10, 25, 50, 100, 250, log, dB |
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Frequency Ranges |
20, 25, 30, 40, 50, 60, 80, 100, 125, 150, 200, 250, 300, 400, 500, 600, 800, 1000, 1250, 1500, 2000 Hz |
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Number of Points |
200, 250, 400, 500, 800, 1000, 1600, 2000 ±2% |
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Scaling |
Flexible manual scaling and autoscaling of Waveforms and Spectra. |
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Accuracy |
Amplitude: 0-1kHz: ±5%+noise, 1-2kHz: ±10%+noise
Frequency: ±0.01% |
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Waveform windows |
None, Hanning, Flat Top, Exponential |
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Combine Spectra |
Mode: Average/Peak, Spectra Combined counter, Max Spectra control |
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Trigger |
Source: Ch1/Ch2, Mode: Off/Auto/Normal, Slope: Rise/Fall/Either, ±Level, ±Delay |
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Cursor Modes |
Total RMS between 2 tracking cursors, 10 harmonic cursors, link cursors between displays |
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Files |
Units, Sensor gains, Control settings, Export results to Text and UFF type 58 format. |
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| * g is the acceleration due to gravity, defined as 9.80665 m/s2 for unit conversions. |
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