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68 UDA2182 Universal Dual Analyzer Product Manual January 2009
Sub-menu
selection
Parameter Selection or
Range of
Setting
Parameter Definition
PV Type
Select Cell
Constant First
Cond μS/cm
(NIST-default)
+
Cond mS/cm –
(NIST)
Concentrtn
TDS ppb
TDS ppm
TDS ppt
Resistivity
Cond mS/m
(ISO-Default)
+
Cond S/m –
(ISO)
Concentrtn
TDS ppb
TDS ppm
TDS ppt
Resistivity
Cond μS/m
+
parameter
selected in
MAINTENANCE
Æ
INPUTS menu
These selections are only available with regard to the
Cell Constant selected (See “Cell Constant”).
Cell
Constant
Available Selectable PV Types
Use the keys to select
0.01
Conductance
μS/cm (default- NIST), Conductance
mS/cm (NIST), Conductance mS/m(default - ISO),
Conductance S/m (ISO), TDS ppb, TDS ppm,
Resistivity, Conductance
μS/m (ISO)
0.1
(Default)
Conductance
μS/cm (default- NIST), Conductance
mS/cm (NIST), Conductance mS/m(default - ISO),
Conductance S/m (ISO), TDS ppb, TDS ppm,
Resistivity, Conductance
μS/m (ISO)
1
Conductance
μS/cm (default- NIST), Conductance
mS/cm (NIST), Conductance mS/m(default - ISO),
Conductance S/m (ISO), TDS ppm, TDS ppt,
10
Conductance
μS/cm (default- NIST), Conductance
mS/cm (NIST), Conductance mS/m(default - ISO),
Conductance S/m (ISO), TDS ppm, TDS ppt.
25
Concentration (default), Conductance
μS/cm
(default- NIST), Conductance mS/cm (NIST),
Conductance mS/m(default - ISO), Conductance
S/m (ISO),
50
Concentration (default), Conductance
μS/cm
(default- NIST), Conductance mS/cm (NIST),
Conductance mS/m(default - ISO), Conductance
S/m (ISO),
PV Range Read Only
Cell Constant * 0.01
0.1 (default)
1
10
25
50
The Cell Constant is a value specific to a category of
cells for the measurement range required.
Cal Factor * 0.850 to 1.150
default = 1.000
The Cal Factor is a correction value applied to the
cell’s Cell Constant, which is unique to each cell to
take into account tolerances in manufacture.
If a standard cell is attached to the sensor, the Cell
Constant defaults to “0.1” and the Cal Factor
defaults to “1.000”. These standard cell parameter
values are editable and are retained through a
power cycle.
*Cell Constant and Cal Factor are automatically uploaded from Honeywell conductivity cells
with EEPROM (blue & brown leads) and these values cannot be edited.