Short Manual; Measuring The Concentration; Activating Aqa2 - wtw photolab S12 Operating Instructions Manual

1. Overview

1.3 Short manual

The short manual lists all of the steps necessary to
determine the concentration of a sample and to activate
AQA2 at a glance.

1.3.1 Measuring the concentration

– To switch on the photometer, open the cover.
The photometer performs a check (Self-Check) of the
entire system and then switches automatically to the
concentration measuring mode.
or

1.3.2 Activating AQA2

– Place the AQA MemoChip in the recess on the
photometer.
The following display appears:
6
Measuring mode, concentration
– Insert the round cell with barcode in the round cell
shaft until it clicks into place, or
– Insert the AutoSelector in the round cell shaft and
the rectangular cell in the rectangular cell shaft.
Align the line mark to the notch of the photometer. The
message measuring... appears.
If the select method menu is displayed, align the
line mark of the round cell or AutoSelector to the
notch of the photometer.
The measured value appears on the display.
Measured values outside the specified measuring
range are output in small numerals.
Repeat the measurement:
4
– Press .
The action of placing the AQA MemoChip in the
recess directly activates the AQA check without
having to press any key.
Standard concentrations and tolerances are
listed in the table "Spectroquant
and standard solutions" in the part, "General
information".
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