| Calibrated Device | (1) Piezo-Resistance or Piezoelectric Accelerometer (2) Vibration Meter |
|---|---|
| Range | (1) 50 Hz to 7 kHz (2) Acceleration: 50 Hz to 5 kHz；Velocity: 50 Hz to 2 kHz； Displacement: 50 Hz to 200 Hz； |
| Uncertainty |
(1)Accelerometer：1.8 % to 3.5 % (Relatively)
(2) Vibration Meter：1.6 % to 2.7 % (Relatively)
|