Hach AN-ISE sc Mode D'emploi page 14

Operation
Enter the values for the
first point
AN–ISE SC NH –N
4
AN–ISE SC K
Lab value NH –N
4
Confirm the entry.
Enter the values for the
second point
AN–ISE SC NH –N
4
AN–ISE SC K
Lab value NH –N
4
Confirm the entry.
4.3.4.4 2-point matrix correction
Ammonium
Concentration
measurement 1
Date
Enter the lab value 1.
Concentration
measurement 2
Date
Enter the lab value 2.
14
5. Go to the sensor menu and select
2-point value correction and confirm with
CORRECTION >
.
ENTER
6. Select the parameter
correction.
Note: When using the AN-ISE sc probe, you can only correct one
parameter at a time. If both parameters need to be corrected, the
procedure must be performed again.
7. Enter the three values for the first correction point and push
CONFIRM THE ENTRY
Note: The example opposite shows the NH
AN-ISE sc probe.
8. To activate the correction, enter the three values for the second
correction point and push
Correction result is shown.
Note: If a correction does not produce a successful result, calculations are
made with the previous correction. After successful completion of value
correction, the corrected value is shown as the display value for ammonium
or nitrate the next time the menu is opened.
Proceed as follows to perform 2-point matrix correction:
1. Select
SENSOR MENU > AN-ISE SC
CALIBRATION > MORE CORRECTIONS
2. Select 2-point matrix correction from the selection window
and press .
ENTER
3. Select the Parameter requiring a 2-point matrix correction.
4. Select the point to be corrected.
5.
SELECT Concentration measurement 1
measurement 2
6. Take a water sample from the closest point possible to the
sensor. Filter this sample promptly and perform an immediate
laboratory analysis of the selected parameters. The
measurement value can change very quickly:
When the laboratory value has been determined, proceed as
follows:
7. Select
SENSOR MENU > AN-ISE SC
CALIBRATE > MORE CORRECTIONS>
correction
8. Select the parameters to be corrected with the laboratory value
entry:
CALIBRATION > MATRIX
1
(NH –N or NO –N) that requires
4 3
.
-N and K correction of the
4
CONFIRM THE ENTRY
or
AISE SC
.
or
Concentration
or
AISE SC
2-point matrix
.
or
NISE SC >
or
NISE SC >
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