How to Calibrate the DEPOLOX® Pool Compact Controller

The DEPOLOX® Pool Compact Controller is applicable for the measurement of chlorine, pH, ORP and temperature.

Chlorine Calibration

During calibration for free chlorine, a zero point calibration and a measured value calibration (DPD1) must be carried out.

Zero Point Calibration

1. Press the symbol with the horizontal lines.
2. Press the menu Calibration "Cal".
3. Tap the measurement "Chlorine".
4. Press the parameter "Zero point".
5. Close the ball valve on the sample water inlet.
6. Wait until the displayed chlorine value no longer changes.
7. Press the "Calibration" button. An input field opens.
8. Press "Enter" to save the zero point.
9. Open the ball valve on the sample water inlet.
10. After zero point calibration, wait at least 2 minutes.

Measuring Value Calibration (DPD)

1. Open the sample extraction unit (drain) by approximately 1 turn and extract a specimen of the sample water.
2. Determine the content of free chlorine in the sample using a photometer.
3. Press the parameter "DPD".
4. Press the "Calibration" button. An input field opens.
5. Use the input keys to enter the determined value.
6. Press "Enter" to save the entry.

This concludes the calibration of free chlorine.

PH Calibration

1. Press the symbol with the horizontal lines.
2. Press the menu Calibration "Cal".
3. Tap the measurement "pH".
4. Press the parameter "pH 7".
5. Close the sample water inlet and sample water outlet and briefly open the sample extraction unit (drain) to release the pressure. Close the sample extraction unit (drain) again.
6. Place the beaker into the bottom clip and fill with buffer solution "pH 7.00" or clamp the bag with buffer solution "pH 7.00" into the bottom clip.
7. Unscrew the pH sensor from the cover of the cell body of the flow cell.
8. Dip the pH sensor through the top clip at least 2 cm deep into the buffer solution and move slightly until the indicated pH value remains constant.
9. Press the "Calibration" button. An input field opens.
10. Use the input field to enter the value to be calibrated for the buffer solution.
11. Press "Enter" to save the entry.
12. Remove the buffer solution "pH 7.00" from the bottom clip.
13. Wash the sensor in distilled water to prevent carryover of buffer solution.
14. Press the parameter "pH X".
15. Place the beaker into the bottom clip and fill it with buffer solution "pH 4.65" or clamp a bag with buffer solution "pH 4.65" into the bottom clip.
16. Dip the pH sensor at least 2 cm deep into the buffer solution and move gently until the indicated pH value remains constant.
17. Press the "Calibration" button. An input field opens.
18. Use the keypad to enter the value to be calibrated.
19. Press "Enter" to save the entry.
20. Remove the pH sensor from the top clip.
21. Screw the pH sensor into the cover of the cell body of the flow cell.
22. Open the sample water inlet and outlet again.

This concludes the pH calibration.

ORP Calibration (REDOX)

1. Press the symbol with the horizontal lines.
2. Press the menu Calibration "Cal".
3. Select the "ORP" measurement menu.
4. Press the parameter "Cal. value".
5. Place the beaker into the bottom clip and fill it with calibration solution "478 mV" or clamp a bag with calibration solution "478 mV" into the bottom clip.
6. Close the sample water inlet and sample water outlet and briefly open the sample extraction unit (drain) to release the pressure. Close the sample extraction unit (drain) again.
7. Screw the ORP sensor into the cover of the cell body of the flow cell.
8. Dip the ORP sensor through the top clip at least 2 cm deep into the calibration solution and move it slightly until the indicated pH value remains constant.
9. Press the "Calibration" button. An input field opens.
10. Use the keypad to enter the value to be calibrated.
11. Press "Enter" to save the entry.
12. Remove the ORP sensor from the top clip.
13. Screw the ORP sensor into the cover of the cell body of the flow cell.
14. Open the sample water inlet and outlet again.

This concludes the ORP calibration.

Temperature Calibration

1. Press the symbol with the horizontal lines.
2. Press the menu Calibration "Cal".
3. Tap the measurement "Temperature".
4. Press the parameter "Cal. value".
5. Perform comparative temperature measurement.
6. Use the keypad to enter the value to be calibrated.
7. Press "Enter" to save the entry.

This concludes the temperature calibration.