3 dos ph - dosing parameters, Dosing parameters – Metrohm tiamo 2.1 (ProcessLab) User Manual

Page 1070

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5.6 Commands

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1054

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tiamo 2.1 (ProcessLab)

Switch off automatically

on | off (Default value: on)

If this option is enabled, the stirrer will be switched off automatically when
the command has finished. This parameter is displayed only for Titrandos
and 855.

Switch on/off automatically

on | off (Default value: on)

If this option is enabled, the stirrer will be switched on automatically at the
start of the command and will be switched off automatically at the end of
the command. This parameter is displayed only for Titrinos.

5.6.6.3.4.3

DOS pH - Dosing parameters

Tab: Method

DOS pH Properties... Dosing parameters

Command name

Name of the command.

Input

25 characters

The volume to be added, the dosing rate and the dosing time are defined
on this tab.

Dosing criterion

Selects the two parameters that can be preset for dosing. The third para-
meter is calculated automatically from the formula Volume = dosing time
* dosing rate
and is not shown (see Chapter 5.6.6.3.2, page 1043).

Selection

Volume/dosing rate | Volume/dosing time |
Dosing rate/dosing time

Default value

Volume/dosing rate

Volume

Fixed volume that is to be dosed. This parameter is only displayed for Dosing
criterion =
Volume/Dosing rate or Volume/Dosing time.

Range

0.00000 ... 99999.9 mL

Default value

10.0000 mL

Dosing rate

Rate at which dosing should take place. The maximum dosing rate depends
on the cylinder volume of the exchange unit or dosing device used. If the
entered dosing rate is too high for the selected dosing device, it will auto-
matically be reduced during dosing to the largest possible value. This
parameter is only displayed for Dosing criterion = Volume/Dosing
rate
or Dosing rate/Dosing time.

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