154
Speci cations
Measurement frequency range (electrical characteristics)
Acceleration: 1 Hz to 20 kHz
Velocity: 3 Hz to 3 kHz
Displacement:
3 Hz to 500 Hz
Acceleration envelope curve:
1 kHz to 20 kHz
Filters
Pre lters
High-pass lter:
1 Hz*, 3 Hz, 10 Hz, 1 kHz (−10% point)
Cutoff slope −18 dB/oct,
* 1 Hz for acceleration only
Low-pass lter:
1 kHz, 5 kHz, 20 kHz (−10% point)
Cutoff slope −18 dB/oct
Acceleration envelope curve lter
High-pass lter:
1 kHz (−10% point),
cutoff slope −18 dB/oct
Residual noise
(high-pass lter 3 Hz, low-pass lter 20 kHz, lowest range setting)
Acceleration: 0.01 m/s
2
(rms) or less
Velocity: 0.1 mm/s (rms) or less
Displacement:
0.01 mm (EQp-p) or less
A/D conversion 24 bit delta-sigma principle, 51.2 kHz sampling
Analysis functions
Vibration meter mode (acceleration, velocity, displacement all-pass value
also calculated simultaneously)
Detection characteristics:
rms detection, peak detection
Sampling frequency:
51.2 kHz
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