ABB AX410 User Manual page 30

Single and Dual Input Analyzers for Low Level Conductivity
AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456
Signal
----- Calc.
Inf.pH(NaOH)
Inf.pH(NH3+NaCl)
Inf.pH(NH3)
Ratio A/B
Difference A–B
% Passage
% Rejection
No Calculation
After Cat. Limit
28
Signal Calculation (dual input analyzers only)
Notes.
• If the units selected for
calculations are performed and
alternately on the lower display line.
• For correct inferred pH calculation, Sensor A
and Sensor B .
after
• Refer to Appendix A.3 for further information on inferred pH.
Calculations are performed using the inputs from both sensors. Select the required calculation
from the following options:
Inf.pH(NaOH)
-
is available only if:
Note.
Inf.pH(NaOH)
and
A: Cond Units B: Cond Units
and
and
A: T.Comp Range
and
is set to
A: Temp. Comp.
Inf.pH(NH3+NaCl) -
Inf.pH(NH3) -
Note.
Inf.pH(NH3+NaCl)
and
A: Cond Units B: Cond Units
and
and
A: T.Comp Range
and
is set to
A: Temp. Comp.
Ratio A/B -
Difference A-B
-
% Passage -
% Rejection
-
No Calculation -
Continued on next page.
and
A: Cond Units B: Cond Units
and
No Calculation
must
Calculates a pH value in the range 7.00 to 11.00 pH based
on the type of chemical dosing and the conductivity
readings.
are set to
uS/cm
are set to
B: T.Comp Range Lo TC
and
NaOH B: Temp. Comp
Calculates a pH value in the range 7.00 to 10.00 pH based
on
the type of chemical dosing and the conductivity readings.
and are available only if:
Inf.pH(NH3)
are set to
uS/cm
are set to
B: T.Comp Range Lo TC
is set to
and
NH3 B: Temp. Comp
Calculates the ratio of the two conductivity inputs.
Calculates the difference between the two conductivity
inputs.
Calculates the amount of conductivity as a percentage that
passes through the cation exchange unit.
Calculates the amount of conductivity as a percentage that
is absorbed in the cation exchange unit.
No calculation is performed and the conductivity readings
are displayed directly.
5 PROGRAMMING
are not identical (page 22), no
Units are displayed
Dissimilar
be installed the cation column
before
(page 22)
(page 23)
is set to (pages 24 and 25).
Acid
(page 22)
(page 23)
(pages 24 and 25).
Acid
IM/AX4CO Issue 11