Hach 5500sc PO4 3-HR, Operations

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Option Description
CALIBRATION DATA Displays data from the last calibration and the due date and time of the next
scheduled calibration.
OVERRIDE CALIBRATION Enter new slope and/or zero value (reagent blank). When OVERRIDE
CALIBRATION is selected, the automatic calibration is disabled for the selected
option.
OUTPUT CALIBRATION Select a 4-20 mA output and enter the output values to be sent.
RESET DEFAULT CAL Reset calibration data to default values and disables automatic calibration. On
completion, perform a new calibration.
Schedule automatic calibrations
1. Push cal , then select SET AUTO CALIBRATION.
2. Select ACTIVATE AUTO CAL>YES.
3. Select STD SOLUTION and enter the standard value in ppb.
4. 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. The type of calibration is displayed. Push enter to start the calibration.
3. The measurement status is displayed. Select YES to interrupt the current measurement cycle and
start the calibration immediately. Select NO to wait until the current measurement cycle has
completed before the calibration starts.
4. Complete the instructions on the display.
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