Hanna Instruments HI 901 - Manual (Page 24)

3-6
USER INTERFACE
The user interface contains several screens. For each titrator function, one or more screens
are used.
Warnings and other critical information are displayed in
reversed font.
3.2.3 The Main Screen
After start up and initialization, the first screen displayed is the main screen.
The main screen fields describe:
Method name:
Displays the name of the selected method
Time and date: Displays the current date and time
Temperature reading: Displays the measured temperature
ATC: Indicates automatic temperature compensation
Manual: Indicates manual temperature compensation
Manual : Indicates manual temperature compensation as the temperature
probe is not connected
Stirrer information: Actual / Set stirrer speed is displayed in RPM. When stirrer is off,
the stirrer information is not displayed
End point volume: Displays the volume delivered to reach the titration end point. When
no titration has been performed, the displayed volume is “0.000 mL”
Titration result: Displays the titration result
mV or pH reading: Displays the current readings. The sample reading will be: mV
or pH respectively
mV: Indicates actual potential reading
rel mV: Indicates relative potential reading
pH: Indicates actual pH value
Titration status: Displays the status of the selected titration. When no titration was
performed, No results is displayed
Reminders: Indicates when a task needs to be performed and displays error
or warning messages
Pump 1 Active: Displays the current active pump