Hach-Lange TITRALAB 840_845 Reference Manual - Manual (Page 100)

Titra Lab ® TitraLab 840 and 845 Reference Manual
Page 100
Error in
equation
formula The possible errors you may encounter when entering a formula:
• Operand unknown: term used does not exist, e.g. R2 if only one
result defined in the method.
• Syntax error: typing error in the formula, e.g. a missing bracket.
Refer to "Equation formula", page 93 .
Excess reagent
ID Identification of the excess reagent added during a back titrations.
For a manual back titration, the ID is entered manually.
During an automatic back titration, a name can be selected from a
Users or Preprogrammed list.
Refer to "Back titration No/Manual/Automatic", page 43 .
Range available:
20 alphanumeric characters with units (mM, M, mN or N).
Enter in:
Edit method menu > Method parameters (for a back titration)
Excess titre Titre of the excess reagent. Parameter only available for manual back
titrations. In the case of an automatic back titration, the titre is known
in advance by the Titration Manager.
Enter in:
Edit method > Parameters menu (Manual back titration method)
Range available:
0 to 1.000 10
+8
.
Units (mM, M, mN or N), entered with the excess reagent ID.
Excess volume Volume of excess reagent to be added during the titration.
Enter in:
Edit method > Parameters menu (back titration method)
Range available:
0.0 to 999.9 ml.