Metrohm 761 SD Compact IC - Manual (Page 92)

5 Operation
761 SD Compact IC / Instructions for Use 8. 761.1043
84
5.2 Operation with automated sample change
The instrument must have been connected and the related software
must have been installed in accordance with Section 2 before opera-
tion can be started.
Switching on the equipment:
1 Switch on the PC
⇒ Switch on the PC
2 Switch on the 761 SD Compact IC
⇒ Switch on the 761 SD Compact IC with the mains switch 14
on the instrument rear panel. The pilot lamp 7 lights after
switching on the instrument.
3 Switch on the 766 IC Sample Processor
⇒ Switch on the 766 IC Sample Processor (see Instructions for
Use 766 IC Sample Processor, Section 2.2.4).
5.2.1 Control with «IC Net» (automated operation)
Launch the «IC Net» software and log in (see Section 2.12.3).
With automated sample change, it is possible to predefine the se-
quence of conditioning, calibration and sample determination with a
sample table.
5.2.1.1 Preparing sample vessels (automated operation / «IC Net»)
1 Prepare calibration standards
⇒ Fill each of 6 sample vessels with and MCAL standard (150,
250, 350, 450, 550 and 650 mg/L H
3
PO
4
plus basic content of
nitrate and sulfate) and position them at the required position
in the sample rack of the 766 IC Sample Processor. The
MCAL standard bottles are supplied as accessories
(6.2321.000).
2 Prepare the samples
⇒ Fill the sample vessels with the samples to be measured and
position them at the required position in the sample rack.
3 Prepare the rinsing solution
⇒ Fill the special beakers at the rinsing position of the 766 IC
Sample Processor with ultra-pure water.