IM 50.560CA UA (B/4-03) 43
DEPOLOX
®
3 PLUS RESIDUAL ANALYZER
b. Close the shut-off valve at the flow block assembly, stopping all
flow to unit. Wait until the displayed value ceases changing.
c. Press the E key twice in order to set the display to “0.00”.
d. Go to the root menu. Display will be 0.00 mg/l
In case of calibration error *Cal. Cl
2
?*: Ensure that the sample
water is completely stopped and repeat calibration. If the error
comes again, adjust the cell voltage Upot: Go to SIGNAL DIAG.
and menu “Cl
2
cell current”.
If he display still does not read 0.00 mg/l after calibration, adjust
the potentiometer Upot so far that the displayed cell current is 0
±5 µA (turning clockwise reduces the current) (see Figure 3.5).
The current will change very slowly. Wait one half hour and check
again. Perform calibration again.
Figure 3.5 - Upot Adjustment
e. Let the sample water flow again.
NOTE: When there is no key pressed for five minutes, the DEPOLOX
3 plus returns to the basic display.
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