66 WT.050.570.000.DE.IM.0714
Operation DEPOLOX
®
Pool
1.3
Measurement value
calibration (DPD)
8. After zero point calibration wait at least 2 minutes.
9. Open the knurled nut on the drain by approximately one turn and
extract a specimen of the sample water.
10. Determine the free chlorine content of the specimen with a photo-
meter.
11. Select the parameter "Cal. DPD" and confirm the selection.
12. Use the arrow keys to enter the determined value.
13. Confirm the entry.
Calibration for free chlorine is then concluded.
NOTE
During calibration for total chlorine or combined chlorine only one cali-
bration must be performed.
Total chlorine 1. Open the knurled nut on the drain by approximately one turn and
extract a specimen of the sample water.
2. With a comparative device determine the total chlorine content
(DPD3).
3. Starting from the basic display in the main menu select the "Calib-
ration" area of operation.
4. Select the menu item "Cl-N".
The window "Calibration Cl-N" (display 2.1.4) appears on the
graphic display.
NOTE
If the DEPOLOX
®
Pool is not fitted with a free chlorine measurement
system, it is necessary to measure the free chlorine using a photometer
and enter the value in the "Enter free Cl
2
" menu before performing total
chlorine calibration.
5. Select the parameter "Cal. total" and confirm the selection.
6. Use the arrow keys to enter the determined value.
7. Confirm the entry.
Calibration for total chlorine is then concluded.
Combined chlorine 1. Determine the values for free chlorine (DPD1) and total chlorine
(DPD3) as described under "Total chlorine".
2. Determine the value for combined chlorine:
Total chlorine DPD3 minus free chlorine DPD1.
3. Enter the determined value as described under "Total chlorine"
with the arrow keys under the parameter "Cal. combined".
4. Confirm the entry.
Calibration for combined chlorine is then concluded.
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