Emec LOTUS AIR 10, Руководство по эксплуатации, Страница: 22 / 44

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PROBES
Enter this menu by selecting “MENU’” from the main screen, enter the PASSCODE and select “PROBES”. Save the
settings by selecting “ESC”, then confirm the changes by moving to “YES” and pressing the knob.
Chlorine Dioxide & Select Probe
Before calibrating the chlorine dioxide probe (Ch3) verify that the selected model is the correct one. Select
"SELECT PROBE" in the "PROBES" menu. If necessary, select the item and turn the knob until you see the
correct model of the probe. Confirm by pressing the knob and moving the cursor to “ESC”, then confirm the
changes by moving to “YES” and pressing the knob.
Probe Scale (mg/l)
ECL 2/2 2,000mg/l ClO
2
ECL 2/20 20,00mg/l ClO
2
ECL4,5,6,7 10,00mg/l ClO
2
ECL 17/10 10,00mg/l ClO
2
None (rH only)* 999mV
*setpoints are related to Redox channel and chlorine dioxide view is disabled
Select "CHLORINE DIOXIDE" in the "PROBES" menu to calibrate 2 points of the previously selected probe.
Attention: this procedure assumes that the instrument is configured properly and connected to a
working probe, otherwise the results may not be reliable.
Calibrating the first point (P1)
- move the cursor to “P1” and press the knob.
- install an “active carbon filter” in the probe-holder.
- let water flow into the probe-holder for 30 minutes.
- press the knob with the cursor on “OK”. Remove the filter.
Calibrating the first point (P2)
- move the cursor to “P2” and select it.
- use a photometer or DPD system to read the chlorine dioxide in the plant. Enter the value read in “Cal. at”.
- press the knob with the cursor on “OK”.
If an error message is displayed repeat the calibration procedure
!
Attention