Configure Automatic Calibration; Configure Manual Calibration - Hach ORBISPHERE G1100 User Manual

7.2.1 Configure automatic calibration

This option sets the parameters for the sensor to be zero calibrated at a regular interval. The
sensor should be installed in the specially designed flow chamber (refer to
on page

7.2.2 Configure manual calibration

This option sets the parameters required for manual sensor calibration.
35) with a gas bottle of pure nitrogen attached.
The calibration mode is set to zero calibration and cannot be
changed.
Details of the next calibration date are displayed. If the next
calibration date is overdue, the word Missed is displayed.
Enter the number of days between calibrations.
•
Calibration mode: 2 types available:
•
Zero calibration
•
High level calibration
•
If zero calibration is selected, no other parameters are
required to be set. However, the following parameters must be
set if high level calibration has been selected.
Calibration sample: Set to in line sample, gas bottle or
•
factory parameters. If factory parameters is selected, the
Ksv value is displayed (as illustrated left) but can be
changed.
Note: The Ksv value should only need to be changed when replacing
the sensor spot. The Ksv value of the new spot can be found on the
33021 kit box.
These additional parameters are required if in line sample or
gas bottle has been selected as the calibration sample.
Medium: This is automatically set to liquid if in line sample
•
has been selected as the calibration sample, or gas if gas
bottle has been selected.
Gas unit type: Either partial or dissolved are available for
•
an in line sample. If gas bottle was selected this is set to
fraction.
Gas unit: The list of available units depends on unit type
•
selected above.
Liquid: This defaults to water.
•
Reference value: Enter the reference value for calibration
•
Press OK to return to the main calibration screen.
Calibration Menu
Sensor installation
59