Metrohm 760 Sample Changer - Manual (Page 24)

3.5 The Methods
760 Sample Changer, Introduction
21
Method 2 (for exact sequence, see Appendix, p. 26)
Working procedure with sensor conditioning by dipping. The spe-
cial beaker (highest rack position) must be filled before with sol-
vent or water.
Procedure:
1. move the sample beaker to the tower
2. run lift to work position
3. switch on stirrer
4. start dosing device
5. wait 10 seconds
6. start titrator
7. await end of determination
8. switch off stirrer
9. run lift to shift position
10. get special beaker
11. run lift to work position
12. switch on the stirrer for 5 seconds
13. run lift to shift position
Method 3 (for exact sequence, see Appendix, p. 27)
Working procedure with sensor rinsing in a special beaker using
an external pump.
Procedure:
1. move the sample beaker to the tower
2. run lift to work position
3. switch on stirrer
4. start dosing device
5. wait 10 seconds
6. start titrator
7. await end of determination
8. switch off stirrer
9. run lift to shift position
10. get special beaker
11. run lift to work position
12. switch on the external pump
13. await readiness of the pump
14. run lift to shift position