Installation and start-up
48
Edition 01/2014
contrAA 600
−
Secure the positions of the adjusting screws with lock nuts.
−
Remove the adjusting aid and insert the dosing funnel.
Adjust the injection depth in the graphite tube:
–
Lower the autosampler arm via the software. The dosing tube dips into the graphite
tube.
–
Loosen the clamp nut, place the dosing tube onto the tube bottom, check position
with furnace camera if necessary, and fasten with clamp nut.
–
Move the autosampler arm software-controlled to the optimum dispensing depth
(approx. - 0.8 mm for 20 µL sample volume).
IMPORTANT
For further configurations of the autosampler see the instruction manual "Aspect CS" /
section "Technical autosampler parameters".
6.5.3
Populating the sample tray of the AS-GF
1.
Populate the positions of the AS-GF as follows:
Positions 1-100
1.5 mL sample cups
Positions 101 – 108
5 mL special cups
2.
Place the sample cover with a tight fit.
3.
Next step: fill the wash bottle. If necessary, empty the waste bottle and dispose of the
waste correctly. Measure.
IMPORTANT
The population of the sample tray must match the software configuration in the method or in
the sample ID.
6.5.4
Uninstalling the autosampler AS-GF
1.
Switch off the contrAA 600!
2.
For
HydrEA coupling
:
Remove the reaction gas tube from the titan canula. Remove the titan canula from the
autosampler arm, by loosening the clamp nut.
3.
Remove the control cable from the socket in the right side wall of the AAS device (au-
tosampler graphite connection).
4.
Release adjusting screw 1 and unhook the autosampler AS-GF.
