CheckPoint Pharma and CheckPoint
e
Operation and Maintenance Manual
SUEZ © 2018
79 of 112
DLM 97200-03 EN Rev. A
8. If you also want to perform a calibration verification, continue with the following steps.
9. Press
F1
to select Calibration.
10. Press
F2
to select Conductivity.
11. Press
F1
to select Conductivity Calibration.
12. Make sure the 25 µS/cm HCl standard is in the vial port. Press
F1
.
13. When the measurements are complete, record the values. Do not apply the calibration.
14. Calculate the Percent Difference via the following equation:
15. Acceptance criteria are as follows:
•
RSD values for Cell 1 and Cell 2 are 0.5% or less
•
% Diff values for Cell 1 and Cell 2 are ±2%
TOC Calibration
TOC Calibration should be performed after you have replaced the pump head. Remove the TOC
calibration standards from the refrigerator and allow them to warm to room temperature (~ 1 hour)
before starting calibration. Then, follow these steps:
1. Press the
button.
2. Press
F1
to select the Mode screen.
3. Press
F1
to select Calibration.
4. Press
F1
to select TOC.
5. Press
F1
to select TOC Calibration.
6. Insert the reagent water blank into the vial port.
7. Press
F1
to start TOC Calibration. Reagent water is flushed through the Sensor and
measurements on the blank begin.
8. When prompted, remove the reagent water blank and insert the 500 ppb Sucrose calibration
standard into the vial port.
