Liquistation CSF34 Operation
Endress+Hauser 139
Menu/Setup/Additional functions/Mathematical functions/MF1 to 8/Mode = Degassed conductivity
Function Options Info
Calculation Selection
• Off
• On
Factory setting
Off
On/off switch for the function
Cation conductivity Connected conductivity
sensor
Cation conductivity represents the sensor
downstream from the cation exchanger and
upstream from the "degassing module",
Degassed conductivity represents the sensor at
the outlet of the degassing module.
Measured value interrogation is obsolete as you
can only choose conductivity.
Degassed conductivity Connected conductivity
sensor
CO2 concentration Read only View this value in a user-defined measuring
screen or output the value via the current output.
Mathematical function
assignment view
Overview of the configured functions
Dual conductivity
You can subtract two conductivity values and use the result to monitor the efficiency of an
ion exchanger, for example.
Menu/Setup/Additional functions/Mathematical functions/MF1 to 8/Mode = Dual conductivity
Function Options Info
Calculation Selection
• Off
• On
Factory setting
Off
On/off switch for the function
Inlet The options depend on the
sensors connected
Select the sensors that should function as the
minuend (Inlet, e.g. sensor upstream from the
ion exchanger) or subtrahend (Outlet, e.g.
sensor downstream from the ion exchanger).
Measured value
Outlet
Measured value
Main value format Selection
• Auto
• #
• #.#
• #.##
• #.###
Factory setting
Auto
Specify the number of decimal places.
Cond. unit Selection
• Auto
• µS/cm
• mS/cm
• S/cm
• µS/m
• mS/m
• S/m
Factory setting
Auto
Dual conductivity Read only View this value in a user-defined measuring
screen or output the value via the current output.
Mathematical function
assignment view
Overview of the configured functions