Thermo Scientific Orion Dual Star User Manual page 53

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9. Rinse the electrode (ATC probe, stirrer probe and reference electrode, if applicable) with
distilled water, blot dry with a lint-free tissue and place the electrode(s) into the sample.
When the electrode and sample are ready, press the f2 (next) key.
10. Wait for the reading to stabilize. When the reading is stable, press the f2 (yes) key.
11. Use the numeric keypad and decimal key to enter the volume of the standard, in mL, to be
added to the sample and press the f2 (accept) key.
12. Add the standard to the sample and press the f2 (yes) key.
13. Wait for the reading to stabilize. When the reading is stable, press the f2 (yes) key.
14. The meter will display the result of the single known addition. Press the f3 (log/print) key to
save and end the single known addition, export the data to the data log and export the data
to a printer or computer, if a printer or computer is connected to the meter and enabled in
the setup menu.
Note: Press the f1 (escape) key to return to the measurement mode without saving the single
known addition.
15. Press the f2 (next) key.
16. To perform a single known addition using the values that were entered for the previous
single known addition, press the f2 (yes) key. To perform a single known addition and enter
new values, press the f3 (no) key. To end the incremental technique and return to the
measurement mode, press the f1 (escape) key.
Incremental Techniques
Orion Dual Star pH/ISE Benchtop Meter User Manual
Section 6
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