Rion VM-83, Instruction Manual, Page: 79 / 106

69
Technical Information
Noise level and measurement range
(1) Noise level using accelerometer input and sensitivity 5.00 pC/(m/s 2 )
Measurement
mode
Measurement
range
HPF LPF
Display
characteristics
Noise level
Acceleration 0.3 OFF OFF RMS 0.004 m/s 2
Velocity 3 1 Hz OFF RMS 0.1 mm/s
Displacement 1 1 Hz OFF RMS 0.015 mm
Displacement 0.03 10 Hz OFF RMS 0.0003 mm
(2) Noise level examples using piezoelectric accelerometer input
Accelerometer
type
Measurement
mode
Measurement
range
HPF LPF
Display
characteristics
Noise level
PV-85
Acceleration 0.3 OFF OFF RMS 0.0034 m/s 2
Velocity 3 10 Hz OFF RMS 0.004 mm/s
Displacement 0.03 10 Hz OFF RMS 0.0002 mm
PV-90B
Acceleration 3 OFF OFF RMS 0.133 m/s 2
Velocity 30 10 Hz OFF RMS 0.17 mm/s
Displacement 0.3 10 Hz OFF RMS 0.007 mm
PV-87
Acceleration 0.03 OFF OFF RMS 0.0005 m/s 2
Velocity 0.3 10 Hz OFF RMS 0.0006 mm/s
Displacement 0.003 10 Hz OFF RMS 0.00003 mm*
* The LCD can display measurement values to four digits after the
decimal point.