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6 Appendix
855 Robotic Titrosampler
￭￭￭￭￭￭￭￭
47
6 Appendix
6.1 Beaker sensor
Every tower of a Sample Processor is equipped with a beaker sensor
detecting the availability of a sample vessel in front of the tower. An infra-
red sensor identifies devices of various materials if they are located in a
correct position in front of the tower. In the rack configuration of the con-
trol instrument or the control software, Tower must be selected for the
setting 'Beaker sensor'. This beaker test is carried out whenever a rack
position is approached in a method run.
Figure 31
Beaker sensor on the tower
The beaker sensor on the tower can only be used with single-row sample
racks.
6.2 Rinsing nozzles
Using rinsing nozzles is very effective in order to rinse sample vessels (with
sensors and buret tips) efficiently. Rinsing nozzles are available in two
model versions:
￭ 6.2740.020 spray nozzle
For the fine-spraying of the rinsing solution. The nozzle has a small ball
at the opening. The distribution (but also the backpressure) of the rins-
ing liquid is clearly higher than the one of a rinsing nozzle.
￭ 6.2740.030 rinsing nozzle (optionally available)
The rinsing liquid is applied as a fine jet for optimal removal of layers
on electrodes and on titration accessories.
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