Metrohm 904 Titrando User Manual download pdf (Page 38)

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904 Titrando

automatic rotation of the flat stopcock and then returns it to the

exchange position (dosing position). The Status LED will be continu-

ously illuminated once this has been accomplished.

The following table contains a summary of which operating statuses of

the internal dosing device are displayed by the Status LED:

Status of the

"Status" LED

Description

off No exchange unit is attached.

constant illumina-

tion

The exchange unit has been correctly attached

and recognized and can now be used for dosing

and titration. The flat stopcock is in the exchange

position, i.e. the exchange unit can be removed.

slow flashing ￭ The exchange unit is currently being used for

dosing or filling.

￭ An intelligent exchange unit has been

attached and the data on the integrated data

chip is currently either being read out or writ-

ten.

rapid flashing Error on the dosing drive, consult the "Trouble-

shooting" chapter.

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Metrohm 904 Titrando User Manual Page 38