Schedule Automatic Calibrations; Start A Calibration Manually - Hach Polymetron 9610sc SiO2 Operaciones

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The automatic calibration uses the installed known standards to calibrate the analyzer. Calibration
can be done manually or scheduled to occur automatically. Use the calibration menu to view
calibration data, start or cancel the auto calibration, override the auto cal settings, calibrate manually
or to reset to the default calibration.
1. Push cal to display the calibration menu.
Option
START MANUAL CAL
SET AUTO CALIBRATION Refer to
CALIBRATION DATA
OVERRIDE CALIBRATION Enter new slope and/or zero value (reagent blank). When OVERRIDE
OUTPUT CALIBRATION
RESET DEFAULT CAL

Schedule automatic calibrations

1. Push cal, then select SET AUTO CALIBRATION.
2. Select SLOPE CAL and/or ZERO CAL.
Note: ZERO CAL determines the reagent blank value of the user-prepared reagents (molybdate and sulfuric
acid). To determine the reagent blank value accurately, the silica concentration of the process water should be
less than 5 ppb and must be constant. Only use ZERO CAL with these conditions. Use multiple ZERO CAL
determinations to validate the reagent blank value. If the reagent blank value is not accurate, the analyzer will
not give accurate results during normal operation.
Note: Do not use ZERO CAL with Hach reagents. The reagent blank value of Hach reagents (molybdate) is
measured during controlled conditions at the factory and is very accurate. To enter the reagent blank value for
Hach reagents, use the OVERRIDE CALIBRATION option (refer to
3. Select ACTIVATE AUTO CAL>YES.
4. Select STD SOLUTION and enter the standard value in ppb(not applicable for ZERO CAL).
5. Select a schedule option for calibration.
Option
Description
TIME BASE
Sets the interval between calibrations. Options: DAYS or HOURS.
WEEK DAY
Selects the day or days of the week for calibration when TIME BASE is set to DAY.
TIME
Sets the time of day for calibration when the TIME BASE is set to DAY.
SET INTERVAL Sets the interval between automatic calibrations in hours when the TIME BASE is set to
HOURS .

Start a calibration manually

1. Push cal, then select START MANUAL CAL.
2. Select SLOPE CAL and/or ZERO CAL.
Note: ZERO CAL determines the reagent blank value of the user-prepared reagents (molybdate and sulfuric
acid). To determine the reagent blank value accurately, the silica concentration of the process water should be
less than 5 ppb and must be constant. Only use ZERO CAL with these conditions. Use multiple ZERO CAL
20 English
Description
Refer to
Start a calibration manually
Schedule automatic calibrations
Displays data from the last calibration and the due date and time of the next
scheduled calibration.
CALIBRATION is selected, the automatic calibration is disabled for the selected
option. If Hach-prepared reagents are used, enter the reagent blank value
from the label on the molybdate reagent bottle.
Select a 4-20 mA output and enter the output values to be sent.
Reset calibration data to default values and disables automatic calibration. On
completion, perform a new calibration.
on page 20.
on page 20.
Calibration
on page 19).

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