Hach 2100AN User Manual page 34

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7. Slowly put 250 mL of
8. Push ENTER.
deionized water down
The instrument display
the interior edge of the
counts down from 30 to
inlet reservoir.
0, and then measures
Put the CU standard
the deionized water and
down the interior edge
sets the zero reference
of the reservoir to
point.
prevent air bubbles in
Note: To make
the sample.
measurements using
the current calibration,
go to step 12.
13. Slowly put 250 mL
14. After the sample
of the sample in the
flow stops and the
inlet reservoir.
display stabilizes, read
and record the value.
Note: To print or send
(via RS232) a
measurement record,
push PRINT.
32 English
9. Use the arrow keys
10. Slowly put 250 mL
to change the display to
of the CU standard in
show the value of the
the inlet reservoir.
CU standard to be used
for calibration.
11. Push ENTER.
12. Push UNITS/Exit
to go back to
The instrument display
Measurement mode.
counts down from 30 to
0, and then measures
the CU standard and
sets the calibration
point. Then, the
measured value is
shown.
The calibration is
complete, go to step 13.

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