LABEC M-TIT-5 - Manual (Page 21)

jump, middle end point jump and small end point jump. Middle end point jump can satisfy
general titration demand, it's unnecessary for the users to know the concrete end point jump
value or to make the concrete set, if by any chance the meter can't satisfy the titration demand,
please reset corresponding end point jump value, therefore, generally speaking, that'll do if
users select end point as large, middle and small.
After user know something about needed titration, he can select end point jump value in
correspondence to a certain end point, e.g. set end point jump corresponding to the 1 st end
point to "large", the end point jump of 2 nd end point to "small", the operation is as follows:
Select “1 st end point” and then select "large" means you have set 1 st end point jump value to
large. Press “1 st end point” again, the meter displays “2 nd end point”, select “small” means
you have set 2 nd end point jump value to small.
If user hopes to know end point jump value corresponding to every end point, then he can
press “number end point” in sequence, the meter will display in sequence the end point value
in correspondence to each corresponding end point. If user wants to amend the value, select
jump value directly and enter new jump value.
NOTE: 1. Pre-titration end point jump value controls pre-titration directly, amendment of end point
jump value will influence directly the next titration. Please pay attention before revising.
2. Generally, it is no need for user to amend the jump value
7.1.6 End Volume Parameter
While pre-titration, if a titration end point is found, the meter will automatically search for the
next end point, in the meantime, titration does not stop, Press "Stop" button or according to
end volume setup value, titration will stop. End volume default is 40ml, user can reset it
according to actual requirement. When adding volume reaches to user’s set end volume,
meter will stop titration automatically.
If user needs to amend some parameter, please select a certain parameter and meter will jump
out a key-in window, input necessary corresponding data is fine.
Reminder: All these parameter control the whole titration directly and any amendment of
parameter will influence the final titration results. So please understand all these parameter
before amendment.
The meter has the function to resume the original parameter (ex-factory parameter), when
user find set parameter is incorrect or is not able to finish some titration, he can press
“Resume set” to resume.
For easy use, user can set speed of stirrer here, when user selects pH titration, he can calibrate
electrode slope directly (press “Calibrate” button, then press “Enter”)
When all parameter setting finished, press “Start Titration” button to start pre-titration.
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