Thermo Scientific Orion Versa Star Pro User Manual page 69

Thermo Scientific
12. Wait for the mV value on the meter to stabilize and press the f2 (Accept) key.
13. Enter the first standard volume using the numeric keypad and press the f2 (Accept) key.
14. Add the first specified volume of the standard to the sample and press the f2 (Yes) key.
15. Wait for the mV value on the meter to stabilize and press the f2 (Accept) key.
16. Enter the second standard volume using the numeric keypad and press the f2 (Accept)
key.
17. Add the second specified volume of the standard to the sample and press the f2 (Yes) key.
18. Wait for the mV value on the meter to stabilize and press the f2 (Accept) key.
19. The meter will display the calculated sample concentration and summary of the
incremental technique performed. Press the f1 (Esc) key to proceed to the measurement
mode or press the f2 (Next) key to perform another analysis.
Saving the Incremental Technique as a Method
For frequently used incremental techniques, Versa Star Pro meters now allow individual
incremental techniques to be stored as methods.
1. In the measurement mode, press the setup key.
2. Press the ,,  or  key to highlight Channel 1, Channel 2, Channel 3 or Channel 4
and press the f3 (Select) key.
3. Press the  or  key to highlight Method and press the f3 (Select) key.
4. Press the  or  key to highlight Edit / Create and press the f3 (Select) key.
5. Press the  or  key to highlight a new method and press the f3 (Edit) key.
6. Press the  or  key to highlight Inc. Tech and press the f3 (Select) key.
7. Press the  or  key to highlight Double Known Subtraction and press the f3 (Select)
key.
8. Press the  or  key to highlight a value and press the f3 (Edit) key. Use the meter's
numeric keypad to enter the value and press the f2 (Accept) key. Repeat for all values.
9. Once all the values for Double Known Subtraction have been entered, press the f2 (Save)
key.
10. The meter will display the ISE measure mode setup menu. Review and update the
measurement parameters for the method and then press the f1 (Back) key.
11. Press the  or  key to highlight Load from the main method menu and press the f3
(Select) key.
12. Press the  or  key to highlight the ISE method for Double Known Subtraction and
press the f3 (Load) key. The meter will return to the measurement mode with the method
loaded.

Chapter 4 pH, pH/ISE and pH/LogR Measurement Modules
Orion Versa Star Pro Meter User Manual

69