HBM HBK U93, Инструкция по монтажу

Страница: 13 / 88

11
U93
MECHANICAL INSTALLATION
6 MECHANICAL INSTALLATION
6.1 Important precautions during installation
S
Handle the transducer with care.
S
Welding currents must not be allowed to flow over the transducer. If there is a risk
that this might happen, you must use a suitable low‐ohm connection to electrically
bypass the transducer. HBM, forexample, provides the highly flexible EEK ground
cable, which can be screwed on, both above and below the transducer.
S
Make sure that the transducer cannot be overloaded.
WARNING
There is a danger of the transducer breaking if it is overloaded. This can cause danger for
the operating personnel of the system in which the transducer is installed.
Implement appropriate safety measures to avoid overloads or to protect against resulting
dangers.
6.2 General installation guidelines
The forces to be measured must act on the transducer as accurately as possible in the
direction of measurement. Torsional and bending moments, eccentric loading and lateral
forces may produce measurement errors and destroy the transducer, if limit values are
exceeded.
Notice
The transducer is hermetically sealed underneath by a welded base. This base is very thin,
and must not be subjected to mechanical stress (Fig. 6.1), as otherwise the housing could
be damaged. This would allow moisture to penetrate and destroy the transducer.