multi X 2500
POX determination
85
In the window D
EVICE STATUS
any components not yet ready for operation will be
shown in red. The time it takes to preheat the furnace to 950 °C is about 30 to
40 min. During the warm-up phase it is not possible to start a measurement.
If the analyzer is still not ready for measurements after about 40 min., carry out a
fault analysis in accordance with the notes in chapter "Fault removal" on page 106.
9.
Carry out the end point routine for the measuring cell.
10.
If necessary, test the measuring cell using a direct method.
11.
Switching from the oxygen sluice to the POX sluice:
CAUTION! Risk of burns when touching the oxygen sluice and the combustion tube.
Wear protective gloves!
Remove the top cover.
Pull the angled adapter off the oxygen sluice. Remove the oxygen sluice.
Attach the POX sluice to the top of the combustion tube.
Connect the oxygen hose (1, hose no. 3) to the POX sluice.
Connect the measuring gas hose (2, hose from the outlet to the POX cylinder) to
the POX sluice.
Fig. 45 Connections on the POX sluice
1 Oxygen hose connection
2 Measuring gas hose connection
12.
Connecting the argon hose to the POX container:
WARNING! Observe the following instructions when connecting the POX container
– risk of explosion!
Connect the hose from the inlet of the purging equipment (2) to the "ABD OUT"
connection (1) on the rear panel of the basic device.