24 | Calibration and Validation
7070iX TRO Analyzer
6. Choose from 1-point or 2-point calibration with arrow
key.
Figure 27. Select 1-Point or 2-Point Calibration
7. Press continue for the next step.
Figure 28. Continue for the Next Step
8. Follow the instruction on the screen and place flask that
contains Standard solution 1 (lower concentration) in
place of the empty grab sampler bottle.
Figure 29. Place Sensor in Solution 1
9. Wait until a steady reading is obtained on the monitor.
This can be easily seen on the monitor; allow at least
100 mL of the standard to run through.
10. After a steady reading is obtained, input the calibration
value by selecting and pressing enter.
Figure 30. Input the Calibration Value
11. Enter the calibration value with arrow keys, left / right
arrow key to highlight the digital need to be changed,
up / down arrow key to change the value. Press enter to
continue.
Figure 31. Enter the Calibration Value
12. Wait until screen prompts next step.
Figure 32. Wait for Next Step
