3-Component Force Link, Type 9327C
Page 44
9327C_002-477e-05.10
0.01
0.1
1
10
100
0.01
0.1
1
10
10.4
Frequency Range
Because of their mechanical quality, piezoelectric sensors
have very low damping. The useful frequency range is lim-
ited in the upwards direction by the increasing resonance
rise.
Key:
f =
Measuring
frequency
f
n
= Natural
frequency
A/A
0
= Amplitude
ratio
The following approximate values apply to the amplitude
error or achievable accuracy as a function of frequency:
Accuracy
10 %
f
max
0,3 · natural frequency
5
%
f
max
0,2 · natural frequency
1
%
f
max
0,1 · natural frequency
Fig. 25: Schematic representation of frequency response
and phase response
Frequency response
n
f
f
Phase response
n
f
f
-180
-90
0
0.01
0.1
1
10
1.0
1.1
1.2
0.1
0.2
0.3
0.4
0
A
A
