4 manual titration – Metrohm 840 PC Control 5.0 / Touch Control User Manual

Page 197

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3

Operation

PC Control / Touch Control

185

3.24.4 Manual titration

Manual titrations can be carried out in the pH, U (mV), Ipol (mV), Upol

(μA), concentration and T (°C) measuring modes.

Select the [Manual titration] function in the Manual control

dialog.

Select a Dosing device. With intelligent exchange or dosing units

the Titrant contained in the exchange or dosing unit will be

displayed. With "non-intelligent" units the cylinder volume will be

shown.

Select a Stirrer.

You can choose the measuring input, sensor and measuring mode

under [Parameter measure].

Use [Parameter measure] to open the edit dialog for the

measuring parameters and enter these.

Use [Titration] to open the live dialog for the manual titration.

The live dialog shows the current measured value, the added

volume, the type of temperature measurement (Pt1000, NTC or manual)

and the measured temperature.

You can increase the stirring rate with [u] or [+] and decrease it

with [v] or [-]. The stirring direction changes as the sign changes

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