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Check the stirring, Check the mme, Check therde – Metrohm 797 VA Computrace User Manual

Page 266: Perform a linearity test with the dummy cell

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8 How to ...?

797 VA Computrace – Software

254

Check the stirring

1. Click on

or

MAIN WINDOW

/ Utility / Computrace control

to open the

COMPUTRACE CONTROL

window.

2. Select

HMDE

and click on

.

3. Change the rotational speed by clicking on the

buttons of

the

RDE/stirrer speed

field.

Check the MME

1. Install the MME at the 797 VA Computrace stand (see Hardwa-

re Manual).

2. Click on

or

MAIN WINDOW

/ Utility / Computrace control

to open the

COMPUTRACE CONTROL

window.

3. Select

DME

,

SMDE

or

HMDE

and click on

.

4. Choose Multi-Mode Electrode (

MME

).

5. Fill the measuring vessel with the specified solution.

6. Press

the

button.

Check theRDE

1. Install the RDE at the 797 VA Computrace stand (see Hardware

Manual).

2. Click on

or

MAIN WINDOW

/ Utility / Computrace control

to open the

COMPUTRACE CONTROL

window.

3. Select

RDE/SSE

and click on

.

4. Choose

RDE/SSE

.

5. Fill the measuring vessel with the specified solution.

6. Press

the

button.

Perform a linearity test with the dummy cell

For testing the linearity of current measurement, the dummy cell of
the 797 VA Computrace stand is used with the test method

Test797_L.mth

. Proceed as follows:

1. Click on

or

MAIN WINDOW

/ Mode / Determination

.

2. Click on

or

MAIN WINDOW

/ Window / Working method

specification

to open the

WORKING METHOD SPECIFICATIONS

window.

3. Click on

or

MAIN WINDOW

/ File / Load method

.