PART THREE - OPERATION
SECTION 5 - ANALYZER CALIBRATION
Rev. 5-1000
Model C53 Conductivity Analyzer (universal-mount 1/2 DIN)
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5.
With the “1 POINT SAMPLE” line selected, press
ENTER key
to display
. Use
×
×
or
Ø
Ø
key
to view the three states that the analog outputs
(and relays) can be in during calibration:
•
HOLD OUTPUTS:
Holds their present values.
•
XFER OUTPUTS:
Transfers to preset values.
•
ACTIVE OUTPUTS:
Responds to measured values.
With the desired choice displayed, press
ENTER key
to
enter this selection.
6.
With the sensor in the process (or conductivity refer-
ence solution) and the
screen
displayed, press
ENTER key
to confirm. This active
screen appears showing the measure-
ment reading.
7.
Wait for the reading to stabilize which may take a few
minutes. Then press
ENTER key
. The “PLEASE WAIT”
screen may appear if the reading is still too unstable.
After the reading has stabilized, this static
screen appears showing the “last
measured” value.
8.
Use
arrow keys
to adjust the displayed value to
exactly match the known value of the process sample
(or reference solution).
9.
Press
ENTER key
to enter the value and complete cali-
bration (CONFIRM CAL OK?” screen appears).
10. If the sensor was immersed in a reference solution, re-
install the sensor into the process.
11. Press
ENTER key
to display the active measurement
reading on the “1 POINT SAMPLE: CONFIRM AC-
TIVE?” output status screen. When the reading corre-
sponds to the actual typical process value, press
ENTER key
again to return the analog outputs and re-
lays to their active states (MEASURE screen appears).
This completes “1 POINT SAMPLE” calibration.
