Piezoelectric force washer
|
CFW / ...
|
|
|
Nominal (rated) force
|
kN
|
20
|
50
|
100
|
140
|
190
|
330
|
700
|
Sensitivity (typical)1)
|
pC/N
|
-4
|
-4.3
|
Relative reversibility error
|
% of E.
|
<1
|
Relative linearity error 2)
|
% of E.
|
<1
|
Crosstalk3)
|
N/N
|
0.03
|
0.03
|
0.04
|
0.03
|
0.03
|
0.03
|
0.03
|
from Fx,y to Fz
|
from Mx,y to Fz
|
N/Nm
|
0.002
|
0.002
|
0.002
|
0.002
|
0.003
|
0.003
|
0.003
|
Max. operating force
|
% of Fnom
|
120
|
Maximum bending moment with 3)
|
Nm
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
with Fz = 0%
|
with Fz = 50%
|
21
|
80
|
220
|
395
|
650
|
1200
|
4000
|
with Fz = 100%
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
Max. permissible lateral force 4)
|
% Fz
|
10
|
Breaking force
|
% of Fnom
|
200
|
Insulation resistance
|
W
|
> 1013
|
Nominal (rated) temperature range
|
°C
|
-40 ¼ +120
|
Operating temperature range
|
°C
|
-40 ¼ +120
|
Storage temperature range
|
°C
|
-40 ¼ +120
|
Nominal (rated) displacement
|
mm
|
2
|
3.5
|
5.8
|
7.5
|
9.4
|
13.5
|
28
|
Fundamental resonance frequency
|
kHz
|
60
|
55
|
45
|
35
|
35
|
30
|
30
|
Permissible vibrational stress
(vibration bandwidth)
|
% Fnom
|
100 for compressive force
|
Weight
|
g
|
7
|
22
|
37
|
57
|
78
|
155
|
365
|
Degree of protection per DIN EN 60529
(with connected charge cable)
|
|
IP65
|
Connection
|
|
10‐32 UNF
|
|
|
Specifications (data per VDI/VDE 2638 standards)
1) Must be calibrated under mounting conditions
2) Pre‐stressed, typically 0.5% of full scale
3) Fz is the force in the measurement direction
4) related to a point of contact on the force application surface