Hach-Lange TITRALAB 840_845 User Guide User Manual
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Chapter 3
c.
Select Titre = Enter or Calibrate,
Select Enter if you already know the titrant concentration and
do not wish to perform a calibration.
Select Calibrate, if you wish to perform a calibration. Enter the
calibration parameters; see below.
d.
Select the type of method for Mode. You have the choice between
End Point, Monotonic IP, Dynamic IP or Continuous IP.
e.
Select the measurement mode for the calibration (pH, mV or mV at
imposed current).
f.
Enter the Periodicity.
Indicates the maximum period of time between two calibrations. If
the period of time has elapsed, titrations can no longer be performed
using this titrant.
g.
Enter the Number of tests.
This is the number of times the calibration method will be repeated,
i.e. the number of beakers to prepare for the calibration.
h.
Specify if a temperature sensor is in use.
If a temperature sensor is in use, select Probe.
If the temperature is entered manually via the numeric keypad,
select Entered.
If the calibration is to be performed at 25°C, select Fixed 25°C.
If you have selected Temperature = Probe, a temperature
sensor must be selected in the Calibration parameters
screen.
i.
If you want a message to be displayed upon starting the calibration,
select Notification = Yes then enter the message (3 lines
of 32 characters maximum).