Hach-Lange BIOGAS User Manual - Manual (Page 45)

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Standard Operations
1. Press 2 (Select method) in the main menu.
If Question marks "?" are present in the
electrode and/or reagent tabs. Programming
error due to missing electrode/reagent
parameters.
Contact your supervisor.
2. Connect/Check electrode(s).
Refer to Short-Form Reminder no. 1.
Note: When installing/checking an electrode
system, do not forget to connect all the
electrodes to the Titration Manager and
disconnect all the electrodes that are not used
by the method.
3. Install/Check reagent.
Refer to Short-Form Reminder no. 2.
4. Select Start in the main menu to run the
analysis when Sunny icons are visible in the
electrode and reagent tabs.
5. Run an electrode calibration when a Stormy
icon appears in the electrode tab.
6. Run a reagent calibration when a Stormy icon
appears in the titrant tab.
7. If you are unable to display the "Run" command
due to the presence of Cloudy/Stormy icons in
the Reagent and Electrode windows, activate
the "Check" command.
The BIOGAS Titration Manager will
automatically guide you through the necessary
operations required to solve the problem(s).
5.11.2 Run an elecrode calibration
Refer to Short-Form Reminder no. 4.
1. Select the method.
2. Install the electrode group.
3. Enter the Electrode menu.
4. Select 1 Calibrate electrodes.
5. Press the validation key.
6. Select the electrode to be calibrated from the
proposed list.
7. Press 1 to start the calibration.
5.11.3 Run a reagent calibration
Refer to Short-Form Reminder no. 5.
1. Select the method.
2. Install the reagent to be calibrated.
3. Install the electrode group to be used to perform
the calibration.
4. Enter the Reagents menu.
5. Select 1 Calibrate/Enter titre.