Metrohm IC Net 2.1 User Manual

Page 72

Advertising
background image

6 Devices

IC Net 2.1

64

Remote lines after power on

The remote output lines 1}8 are set to this

values after power on or a manual stop with

Shutdown hardware

.

Selection:

0

,

1

Thermostat

Operating temperature of the conductivity
cell.
Selection:

25

,

30

,

35

,

40

,

45 °C

,

off

Thermostatting functions only if the ambient tempera-
ture is at least 5 °C lower than the operating tempera-
ture. It normally takes 30
}60 min after power on until
a temperature stability of
r 0.01 °C is attained.

Flow correction

Factor for correction of the difference be-
tween displayed and actual flow rate of the
high-pressure pump.
Range:

0.9

...

1.09

The flow correction is determined by meas-
urement of the actual flow rate with the aid
of a measuring cylinder as follows:

Flow correction

=

Displayed flow rate
Measured flow rate

Cell constant

Cell constant of the conductivity cell for cor-
rect display of the absolute conductivity.
Enter the cell constant printed on the detec-
tor block into this field.
Range:

0.1

...

99.9 /cm

For a precise determination of the cell con-
stant, pump a calibration solution of known
conductivity through the IC system, observe
the displayed conductivity and change the
cell constant until the correct conductivity
value is displayed.

<Break times>

Possibility for changing the break times for
injection valve

Valve

and suppressor mod-

ule

Suppressor

.

These values should only be changed af-
ter consulting the Metrohm Service.

Advertising