Hach-Lange HACH 5500 sc SiO2 Operations - Manual (Page 17)

Note: The SD CARD SETUP option shows only when an SD card is installed.
3. Select UPGRADE SOFTWARE and confirm. Select the device and
upgrade version, if applicable.
4. When the upgrade is complete, the display shows TRANSFER
COMPLETE. Remove the SD card.
5. Restart the instrument for the upgrade to take effect.
Calibration
The automatic calibration uses the installed known standard 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 Description
START MANUAL CAL Refer to Start a calibration manually
on page 17.
SET AUTO
CALIBRATION Refer to Schedule automatic calibrations
on page 17.
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 zero values and disables
automatic calibration.
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.
English 17