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Using the side exit adapter OFV-C-128 the laser beam can be deflected by
90 degrees and allows thus the use of the sensor head OFV-303/-353 on oth-
erwise inaccessible parts. The telescopic front tube can be rotated by
360 degrees and it can be extended from 297mm to 377mm. The maximum
of visibility (refer also to section 4.2.4) lies between 40mm and 120mm from
the protective window, depending on the telescopic extension. The side exit
adapter is shown in figure A.2.
The high sensitivity of the sensor head OFV-303/-353 is maintained because
a high reflectivity mirror is used and the protective window is tilted.
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To mount the side exit adapter, proceed as follows:
1. Turn the threaded cover on the sensor head anti-clockwise until it can be
removed
2. Screw the side exit adapter on in its place. Store the threaded cover in a
safe place to be used again when returning to normal operation.
3. To extend or rotate the telescopic front tube, release the chromium-plated
clamping ring one or two turns. Position the tube as required and tighten
the clamping ring again before taking the sensor head into operation.
Figure A.2: Side exit adapter OFV-C-128
Telescopic Front Tube
C lam ping R ing
Adapter Tube
Protective W indow
∅
16
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$OZD\V take great care to keep the protective window clean!
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