Endress+Hauser Turbimax CUE21, Руководство по эксплуатации

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Operation Turbimax CUE21 / CUE22
24 Hauser
4. Slowly rotate the calibration standard inside the optical path one complete revolution
(360°).
 While rotating the standard slowly, observe the measured value. Locate the
position at which the lowest reading is displayed.
5. With the calibration standard positioned at the point with the lowest reading, install
the indexing ring over the cap on the calibration standard . Make sure that the
pointer of the indexing ring faces directly forward.
When using the standards in future, always insert them in such a way that the pointer of
the indexing ring faces forward. Slowly rotate the calibration standard back and forth by
approx. 5° to find the lowest value. The calibration standard is now indexed and ready for
use.
8.2.3 Three-point calibration
First calibration point
1. Press the MODE/EXIT key until the calibration function is displayed.
 The arrow appears beside "CAL". The lower part of the display alternates between
1000 (CUE21) or 100 (CUE22) (the value of the requested calibration standard)
and . The upper part of the display shows the current measured value.
If you wish to perform a two-point calibration for drinking water, press the 
key to bypass the 1000 NTU or 100 NTU and to proceed with the second
calibration point.
2. If the flow assembly with the flow-through cuvette has not yet been removed,
remove it now.
3. Insert the requested calibration standard (1000 NTU or 100 NTU) so that the pointer
of the indexing ring faces directly forward.
4. Find the lowest measured value by rotating the standard slowly back and forth by 5°.
 Leave the standard in the position with the lowest reading.
5. Press the  key to accept the calibration.
 In the lower part of the display, the stabilization time for this calibration step is
counted down.
Second calibration point
1. The lower part of the display alternates between 10 and , thereby requesting the
10.0 NTU calibration standard.
If the display does not alternate between 10 and
, press the  or  key until the
specified information appears.

2. Insert the requested calibration standard so that the pointer of the indexing ring
faces directly forward.
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