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Metrohm 743 Rancimat User Manual

Page 71

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4 Operation

743 Rancimat

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63

per block
The 4 channels of a block can be started and stopped jointly.

Stop criteria

Time

on | off (Default value: off)

Time until the automatic stop of the determination.

Range

0.1 ... 9999 h

Conductivity

on | off (Default value: off)

Conductivity limit value. If this value is reached, the determination is
ended automatically.

Range

1 ... 400 µS/cm

Endpoint(s)

on | off (Default value: off)

Automatic stop of the determination, as soon as every active channel has
reached all endpoints (induction time and stability time).

Table 2

Overview of stop criteria

Time

Conductivity

Endpoint(s)

Analysis stops...

not automatically.

after the time entered, independently of reach-
ing the induction/stability time (endpoint).

after reaching the conductivity entered, inde-
pendently of reaching the induction/stability
time (endpoint).

after reaching the induction and stability time
(endpoint) defined on the Evaluation tab. If
the induction and stability time are evaluated,
both endpoints have to be found.

after reaching the first criterion (time or con-
ductivity), independently of reaching the induc-
tion/stability time (endpoint).

after reaching the first criterion (time or end-
point). If the time entered has been reached,
there is no further measuring until the induc-
tion/stability time (endpoint) has been reached.