Measurement information – CEMB USA N100 User Manual
Page 66

E - 2
List of symbols used for the instrument
time after which the display backlighting turns off automatically, calculated
from when the last key is pressed
time after which the instrument turns off automatically, calculated from when
the last key is pressed
Measurement information
sensor connected to the vibrations measurement channel
overall vibration value
number of measurements averaged for calculation of the overall vibration
synchronous vibration value at the rotation velocity
synchronous vibration value at the third harmonic of the rotation velocity
synchronous filter width
vibration expressed in g (1 g = 9.81 m/s
2
)
vibration expressed in mm/s
vibration expressed in µm (1 µm = 10
-6
m)
vibration expressed in inch/s (1 inch/s = 25.4 mm/s)
vibration expressed in mils (1 mil = 25.4 µm)
measurement of the effective vibration value
measurement of the peak vibration value
measurement of the peak-peak vibration value
frequency and velocity expressed in revs per minute (RPM)
frequency and velocity expressed in rotations per second (Hz)
vibration exceeds the instrument’s maximum measurement limit
amplitude and frequency of the vibration’s highest component
signal indicating no velocity, or velocity below the minimum allowed value
velocity exceeds the maximum allowed value
unstable velocity