Foerster CIRCOGRAPH DS, Operating Instructions Manual

Page: 19 / 67

FUNCTIONAL DESCRIPTION 2.3 Construction
6.452
11
In order to withstand the rough conditions of use, the rotating head has
been designed to be dust-protected, robust and reliable by means of
complex constructional measures such as labyrinth seals and dirt deflec-
tors.
The chamber surrounding the test zone serves the purpose of contact
and burst protection as well as dust collection. This chamber is provided
to connect an external extraction system (to be provided by customer).
The sensor system consists of the following compulsory components:
Rotating head Ro 65
Test heads
Protective nozzles
The following options are available for adaptation to particular material
conditions:
Centric triple roller guides
Nozzle holder and Nozzle Drawing Line
Nozzle holder and protective nozzles with connector for compressed air
(to keep the testing zone free of dust)