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Measurement in FFT Mode
Y axis unit
If FFT scale is [Log], the indication [dB] is shown here.
• Acceleration: Referenced to 1 m/s
2
• Velocity: Referenced to 1 mm/s
• Displacement: Referenced to 1 mm
• Envelope: Referenced to 1
If FFT scale is [Linear], the unit indication changes according to the
measurement data type.
• Acceleration: m/s
2
• Velocity: mm/s
• Displacement: mm
• Envelope: No indication
The [FFT Scale] item on the [Display] menu is used to switch.
Y axis upper limit
Shows the upper limit value of the Y axis for the current display range.
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