Drive Test GmbH München
Handbuch / Manual BIA Class 2
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Version 3.1
Archive: BIA Klasse 2_25N_DE_EN_V3.1
3
DESCRIPTION
3.1
MECHANIC
3.1.1 Basic construction
Figure 3: Basic construction
The instrument consists of a static and a moveable part. Both parts are pressed apart by a
spring, located between the parts. The spring has a defined stiffness. In order to get a good
platform quality (i.e. indepence of the force measure result from the location of the force
initiation), the moveable part is guided by six ball bearings.
Without load the spring is spanned with about 20 N. The scale ranges from 100 to 750 N.
Left door edge
Right door edge
spring
F
F
Force sensor
mech. guidance
handle
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