Structure And Operating Mode; Measuring Device; Housing - HBM U2B Serie Montageanleitung

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Structure and operating mode

2.1 Measuring device

The measuring device is a stainless steel measuring spring to which strain
gauges (SG) are applied. The measuring device simultaneously forms the
upper part pf the transducer housing (Fig. 2.1). The SGs are arranged so that
four of them are stretched and the other four are compresses when a force is
applied to the transducer. The transducer circuit contains correcting and com
pensating resistors, in order to reject undesirable influences on the zero signal
and sensitivity.

2.2 Housing

The housing with its integral measuring spring is closed by a floor plate wel
ded to its underside. The measuring spring on the force transducer has a
threaded pin which acts as a force conductor. A removable adapter is
screwed to the lower part of the housing and acts as a force conductor via
jointed eyelets (see Section 7).
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Fig. 2.1: Schematic diagram: U2B
HBM
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4 1
8
9
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1=Strain gauges
2=Housing with integral measuring spring
3=Adapter
4=Lock nut
5=Threaded pin for force conductor
6=Glass bushing
7=Cable chest
8=Welded cover
9=Internal thread
U2B
A0382 3.3 en/de/fr