A-8
A Optional Accessories
A.2.4.2 Movement
NOTE!
If the scanning head is equipped with the External Scanner Control option (EXT), it is not
possible to operate the optional pan-tilt head.
A.3 Acoustic Gate Unit
With the PSV-A-430 acoustic gate unit you can start or stop a measurement
depending on a characteristic noise (e.g. start measuring with brakes
squealing). Connect up the acoustic gate unit using a BNC cable to the AUX
IN BNC jack on the front of the front-end.
A.4 PSV-A-HNeBF Block Filter
If the intensity of the laser light is too high the supplied helium-neon block
filter should be mounted additionally. The block filter is screwed directly on the
video camera aperture of the scanning head and reduces the intensity of the
laser light back scattered to the video camera by 98%.
A.5 PSV-A-410 Close-Up Unit and Appropriate Accessories
A.5.1 PSV-A-410-97 or PSV-A-410-99 Close-Up Unit
Introduction
You can scan small objects at short distances using the close-up unit shown
in the following. Thereby, the beam path of the laser is overlaid with the video
image to equalize the parallax error.
Figure A.4: PSV-A-410 close-up unit
Maximum rotation angle: Pan (horizontal): ±90°
Tilt (vertical): ±84° (limited by limit
switch)
Backlash: ±0.5° (10Nm testing moment)
Rotation velocity: Horizontal: 6° /sec.
Vertical: 5°/ sec.
Load capacity: 18kg
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