BERTHOLD TECHNOLOGIES Uni-Probe LB 490 - Page 129

Uni-Probe LB 490
BERTHOLD TECHNOLOGIES GmbH & Co. KG
2 – 129
Volume 2 1 System Description
2
1.4.5 Point Source / Point Detector Arrangement for
Limit Switches
The arrangement shown in Figure 1-9 is used for limit switches,
e.g. to rule out overflowing when filling a vessel.
Figure 1-9 Point source / Point detector arrangement for limit switches
Source
Level
Detector signal
Detector