Liquiline CM442R/CM444R/CM448R Operation
Endress+Hauser 53
10 Operation
10.1 Display
10.1.1 Soft keys in the measurement mode
On the bottom row of the display you can find four soft keys in the measuring screens:
• "MENU", "CAL" and "DIAG" take you directly to the particular software menu.
• With "HOLD" you can activate an immediate, general hold for sensors. This interrupts any
sensor cleaning programs that are currently running. However, you can also start manual
sensor cleaning when a hold is active.
10.1.2 Measuring mode
There are various display modes:
(Press the navigator button to change the mode)
1. Overview of all the inputs and outputs
2. Main measured value of an input or output or the status of a relay
3. Main and secondary measured value of a sensor input
4. All measured values of a sensor input
5. User-defined measuring screens
You configure the type and number of values you want to display. You can choose from all
the measured values of physical and "virtual" sensors (calculated using mathematical
functions) and output parameters.
In modes 2-4, you can switch between channels by turning the navigator.
Sensor type Main value Main / secondary
measured value
All values
pH, glass pH value pH value, temperature Main value, Raw value, Temperature,
Glass Impedance
Combined sensor
pH and ORP
pH value or ORP or rH value pH value or ORP or rH value,
temperature
Main value, Raw value, Temperature,
Glass Impedance
pH, ISFET pH value pH value, temperature Main value, Raw value, Temperature
ORP ORP ORP, temperature Main value, Raw value, Offset,
Temperature
Conductivity,
measured
inductively
Conductivity, concentration Conductivity, concentration,
temperature
Main value, Raw value, Temperature
Conductivity,
measured
conductively
Conductivity, resistivity,
concentration
Conductivity, resistivity,
concentration, temperature
Main value, Raw value, Temperature
Oxygen,
optical and
amperometric
Dissolved oxygen Dissolved oxygen,
temperature
Partial pressure, Saturation,
Concentration, Temperature
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