12
U5
HBM 29.6.00
5.2
General installation guidelines
The direction of measurement in which the forces work should be as much
towards the transducer as possible. Torsion and bending moments, eccentric
loading and transverse forces may result in measurement errors and if the
limit values are exceeded, could destroy the transducer.
The transducer can take up 50% (60% at 100kN) of its nominal force as
transverse force by reference to a force introduction point on the
force-introduction surface, without losing its mechanical competence.
As mounting accessories for the transducers, HBM supplies U5 standard
range knuckle eyes and adapters as accessories. Knuckle eyes are suitable
for use during quasi-static loading (10Hz alternating loads). In the case of
dynamic loading at a higher frequency, you should use flexible tension bars.
Knuckle eyes prevent the introduction of torsional moments and when 2
knuckle eyes are used, stop bending moments and transverse and angular
loading being introduced in the transducers.
Various installation fastenings are possible for the transducer (see Fig. 5.1 to
Fig. 5.4).
The sensitivity of the transducer is adjusted for installation using the flange
thread. Should the characteristic tolerance for using the through-holes be
insufficient, it is possible to carry out a factory calibration for this special
installation situation.
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