Table of Contents
Advertisement
Test Report No.: No.: 17706687 001
Part II of II
Requirement Test
Clause
In this subclause, the following symbols are
used.
a
(t) instantaneous
hw
acceleration value
frequency-weighted
vibration at time t, in m/s
a
root-mean-square (r.m.s.) single-axis
hw
acceleration value of the frequency-
weighted hand-transmitted vibration, in
m/s
a
a
hwx,
hwy,
denoted X, Y and Z respectively
a
vibration total value of frequency-weighted
hv
r.m.s. acceleration, in m/s
sum-of-squares of the a
three measured axes of vibration
a
arithmetic mean total vibration value of
h
the measurement results of all runs and
operators in m/s
test
O
standard deviation of reproducibility
R
K
uncertainty of a
Cv
coefficient of variation of a test series,
defined as the ratio of the standard
deviation of a series of measurement
values and the mean value of the series:
Where
deviation
a
hvi
N is the number of measured
13.3.4
Characterisation of vibration
EN 61029-1:2009+A11
single-axis
of
hand-transmitted
2
2
a
values of a
in m/s
hwz
hw
hv
2
, this is the result of the
2
in m/s
h
is the mean vibration total value of
the series of 5 measurements in
2
m/s
the i-th vibration total value of one
series of measurements in m/s
values within one series of
measurements (here N = 5)
Page 20 of 63
Result - Remark
the
2
, for the axes
2
; it is the root-
values for the
is the standard
2
Verdict
N/A
N/A
Advertisement
Chapters
Table of Contents
