Hach-Lange TITRALAB Users Guide - Manual (Page 53)

Programming guidelines 53
7. Select the electrode Type, for electrodes with pH, mV or ISE
functions:
• Single pH - pH electrode (no reference part),
• Combined pH - pH electrode with a reference part (with or
without temperature sensor),
• Single metal/redox - mV (i=0) function electrode with a refer-
ence part,
• Combined metal/redox - mV (i=0) function electrode with a
reference part (with or without temperature sensor),
• Single ISE - ISE or mV (i=0) function ion selective electrode
with no reference part,
• Combined ISE - ISE or mV (i=0) function ion selective
electrode with a reference part (with or without temperature
sensor).
8. When a combined electrode or a conductivity cell has been
defined, the instrument will prompt you to specify if it has a built-in
temperature sensor or not.
When a single electrode has been defined, the instrument will
prompt you to define a reference electrode in the Edit
electrode
screen.
9. When a combined or a reference electrode has been defined,
enter the potential (in mV) of the reference element versus the
Standard Hydrogen Electrode (SHE).
This parameter enables to run calibration with automatic buffer
recognition when working with different reference electrode systems.
On the next page, see the table giving the potential at 25°C versus
the SHE of a few "reference elements/filling solution" couples.
10. When a combined pH or a single pH electrodes has been defined,
enter the internal pH of the electrode (pH int).
11. For ISE electrodes only; enter the ion valency and molar weight
(in g/mol).
12. For conductivity cells only; enter the cable resistance (in
Ω) and
capacitance (in pF).
13. Press 1 to confirm.
14. Edit the electrode parameters.