Metrohm 861 Advanced Compact IC User Manual
Page 73
3.3 Settings
861 Advanced Compact IC / Instructions for Use 8.861.1033
63
Thermostat
Operating temperature of the conductivity
cell.
Selection:
25
,
30
,
35
,
40
,
45 °C
,
off
Thermostatting functions only if the ambient tem-
perature is at least 5°C lower than the operating
temperature. It normally takes 30
…
60 min after
power on until a temperature stability of
±
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 correction fac
tor is determined as
follows by measuring the actual flow rate
using a graduated cylinder:
Flow correction
=
Displayed flow rate
Measured flow rate
Cell constant
Cell constant of the conductivity cell for
correct display of the absolute conductiv-
ity. If you connect a new detector block
enter the cell constant printed on the de-
tector block into this field.
Range:
0.1
...
1000 /cm
For a precise determination of the cell
constant, pump a calibration solution of
known conductivity through the IC sys-
tem, 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
module
Suppressor
.