Thermo Scientific Orion DUAL STAR User Manual page 66

Incremental Techniques
6 . Use the numeric keypad and decimal key to enter the sample volume, in mL,
and press the f2 (accept) key .
7 . Use the numeric keypad and decimal key to enter the total volume, in mL,
and press the f2 (accept) key . The total volume includes the sample volume,
ISA volume and diluting agent volume, but not the standard volume .
8 . Use the numeric keypad and decimal key to enter the concentration of the
standard and press the f2 (accept) key .
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 .
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Thermo Scientific Orion DUAL STAR pH/ISE Meter User Guide
™