Metrohm tiamo 2.2 Manual - Manual (Page 664)

5.6 Commands ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
650 ￭￭￭￭￭￭￭￭ tiamo 2.2
Note
This command is used for rapid routine determinations when the endpoint
does not change throughout a series or when an excess of reagent must
be avoided.
Commands
Depending on the measured value one of the following four SET commands
can be selected:
￭ SET pH
Potentiometric pH measurement with pH electrodes (measured quantity
pH).
￭ SET U
Potentiometric voltage measurement with metal electrodes (measured
quantity voltage U).
￭ SET Upol
Amperometric measurement with selectable polarization voltage (meas-
ured value current I).
￭ SET Ipol
Voltametric measurement with selectable polarization current (measured
quantity voltage U).
5.6.3.4.2 SET - Control range
Menu item: Method ▶ SET ▶ Properties... ▶ Control parameters
Set a large control range for steep curves and a small control range for flat
ones. A good approximation for the start of the control range is given by
the point where the tangents intersect.