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Running rms
Velocity
(Metric)
Vrms
tv
( )
1
t
t
ta
( )
a
w
2
ta
( )
d
d
mms
1
t = instantaneous time (seconds)
= integration time of the measurent (seconds)
a
w
(ta) = instantaneous acceleration value
(ta), (tv) = time (seconds)
Running rms
Displacement
(Metric)
Drms
td
( )
tv
( )
1
t
t
ta
( )
a
w
2
ta
( )
d
d
d
mm
(
)
t = instantaneous time (seconds)
= integration time of the measurent (seconds)
a
w
(ta) = instantaneous acceleration value
(ta), (tv), (td) = time (seconds)
Peak is calculated as follows: -
Peak
The peak level of the instantaneous acceleration, velocity
or displacement over the measurement period
Parameter
The available parameters with associated screen description are shown
below: -
Screen Display
Parameter Description
H
Current HARM vibration level
AV
Current vibration level average
(LAV – Linear Average Value)
A8
Partial Daily Exposure Level (GA2003 Only)
The amount of vibration exposure measured expressed as
an 8 hour daily exposure
mx
Maximum Arms level reached over the measurement
period
