Aqualytic AL400T-WL, Instruction Manual, Page: 23 / 32

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AL400T-WL_2a 07/2011
2.3.3.5 Indexing a single sample vial
Switch the instrument on.
Hold the vial by the cap and clean it with the supplied clea-
ning tissue to remove water spots and finger prints.
Install the indexing ring.
Place the vial in the sample chamber making sure that the
marks are aligned.
Press [ ] key and hold.
While holding down the [ ] key, slowly rotate the calibration
standard one complete revolution (360°) pausing between
increments to allow the display to update.
While rotating the standard, observe the turbidity reading
and locate the cuvette position with the lowest turbidity
reading.
With the calibration standard positioned at the location
having the lowest turbidity reading, install the Indexing
Ring over the black light shield on the standard so that the
pointer on the ring aligns with the reference arrow on the
instrument.
ON
OFF