Emerson Rosemount MCL-220 Reference Manual page 59

Reference Manual
00809-0100-3414
6. Select Monochloramine.
7. Select In Process Cal.
8. Follow the screen prompts. Once the reading is stable, press ENTER. Take the
9. Determine the monochloramine concentration in the sample and enter the value in
Rosemount MCL
sample and press ENTER.
At this point, the transmitter stores the present sensor current and temperature
and uses those values in calibration.
the screen below.
See Calibrating monochloramine
If the calibration was successful, the live reading changes to the value entered
above, and the display returns to the screen in
outside the range of expected values the following screen appears.
for sampling and testing precautions.
Step 6. If the sensitivity is too far
Calibrate
May 2019
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