IM 50.560CA UA (B/4-03)
DEPOLOX
®
3 PLUS RESIDUAL ANALYZER
44
• Span calibration
a. After zero calibration wait at least two minutes. Then take a
sample at the measuring cell. Determine the residual value of
this sample.
b. Press the ▼ key until the menu “DIS span” is reached. Press the
E key to open the menu.
c. Press keys ▼ or ▲ until the displayed value agrees with the manu-
ally measured value.
d. Store the value using the E key. The chlorine measuring cell is
now calibrated. In case of an error message, refer to paragraph
4.1.1, Errors.
e. Return to the basic display by pressing the ● key twice.
3.2.2 Membrane Sensor Calibration (All Membrane Types)
a. Take a sample at the measuring cell. Determine the residual value of
this sample.
b. Starting from the basic display, press the F key until the “Calibra-
tion” menu is displayed.
c. Press the ▼ key until the menu “DIS span” is reached. Press the E
key to open the menu.
d. Press keys ▼ or ▲ until the displayed value agrees with the manu-
ally measured value.
e. Store the value using the E key. The disinfectant measuring cell is
now calibrated. In case of an error message refer to paragraph 4.1.1,
Errors.
f. Return to the basic display by pressing the ● key twice.
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