HBM U93 - 7 Specifications (VDI;VDE 2638)

U93
20
A2081-2.2 en/de/frHBM
7 Specifications (VDI/VDE2638)
Nominal (rated) force F
nom
kN 1 2 5 10 20 50
Nominal (rated) sensitivity C
nom
mV/V 0.5 1 0.5 1 0.5 1
Relative sensitivity error
(pressure)
d
C
%
<"0.5
Relative zero signal error d
s.o
mV/V
<"0.075
Hysteresis error
(0.5F
nom
to F
nom
)
ν
0.5
%
<"0.5
Relative non‐linearity (pressure) d
lin
%
<"0.5
Effect of temperature on
sensitivity per 10 K
relative to nominal (rated) sensitivity
TK
c
%
<"0.5
Temperature effect on the zero
signal/10 K
relative to nominal (rated) sensitivity
TK
0
%
< 0.8 < 0.5 < 0.8 < 0.5 < 0.8 < 0.5
Effect of lateral forces
1)
(lateral force 10 % F
nom
)
d
Q
% < 0.2 < 0.5 < 0.4
Effect of eccentricity per mm d
E
% < 0.07 < 0.03 < 0.12
Relative creep over 30 min d
crF+E
%
<"0.2
Input resistance R
i
Ω > 295
Output resistance R
o
Ω 230 … 350
Insulation resistance R
is
Ω >1x 10
9
Reference excitation voltage U
ref
V 5
Operating range of excitation
voltage
B
U.G
V 0.5 … 12
Nominal (rated) temp. range B
t.nom
°C -10 … +70
Operating temperature range B
t.G
°C -30 … +85
Storage temperature range B
t.S
°C -50 … +85
Reference temperature t
ref
°C +23
Max. operating force (F
G
) % 180
Breaking force (F
B
) % > 400 > 300 > 300
Lateral limit force
1)
(F
Q
) % 100 80 40
Permissible force application ec
centricity
e
G
mm 1.5 3 6
Nominal (rated) displacement
("15%)
S
nom
mm 0.01 0.02 0.02 0.04 0.01 0.03
Natural frequency f
G
kHz 7.9 11.7 10.3
Weight with cable (approx.) g 200 600
Rel. permissible vibrational
stress
F
rb
% 150
Cable connection, six‐wire con
figuration
3m cable length; outside diameter 4mm;
6 x 0.08mm
2
; PU sheath;
min. bending radius R10
Degree of protection per DIN60529 IP67
Transducer identification TEDS, per IEEE 1451.4
1)
relative to a force application point on the force application surface