User's Manual

54
Brand of ACOEM
 Input unit*:
o For accelerometer: g, m/s
2
o For velocimeter: in/s, mm/s
o For displacement AC: mils, µm
o For other input types, the unit is the same as the parameter unit.
 Sensitivity*: for each point of the group in mV/input unit.
* only accessible for the 1
st
measurement of a group. The values are used for all other measurement of the
group.
 Measurement Type:
The selection is either to measure one value:
o Overall level
o Bearing defect factor (DEF)
o Kurtosis
o Position
… or a signal:
o Spectrum.
o Envelope
o Phased spectrum
o Time waveform
Notes: the list depends of the selected input type:
Input type
Measurement type
Accel
Veloc.
Displ.
Other
DC
Keyb.
Overall






DEF

Kurtosis

Position

Time




Spectrum.




Envelop




Phased spectrum




Tabs 2 and 3 depend on the selected measurement type.
 0 dB reference: for overall level and spectrum displayed in dB.
 Measured parameter: the selection depends of the selected input type:
Input type
Parameter
Accelerometer
Acceleration, Velocity, Absolute displacement
Defect factor, Kurtosis
Velocimeter
Velocity, Absolute displacement
Displacement
Relative displacement, Absolute displacement*
Position
Other
Other (to manage other type of parameters)
DC
Rotation speed, Pressure, flow, temperature, other
Keyboard
Rotation speed, Pressure, flow, temperature, other
* Absolute displacement choice is only available for Overall Level measurement. The
default value for spectrum and time wave is Relative displacement. If spectrum and
time wave are associated to an Absolute displacement overall level, measurement will
be done with input range [-10, 10 V], otherwise the input range is set to [-24, 0 V].