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January 2009 UDA2182 Universal Dual Analyzer Product Manual 65
Sub-menu
selection
Parameter Selection or
Range of
Setting
Parameter Definition
Input 1 or 2
Preamp pH
The pH Preamp input card measures pH and accepts inputs from a Durafet series Preamp, a
glass Meredian II Preamp or a Durafet series Cap Adapter. The pH Preamp input is similar to
the pH/ORP input shown previously and has an identical Setup/Inputs parameter menu with
the following important differences:
No ORP measurement. ORP is not selectable as a PV Type in Setup/Inputs.
No HPW measurement. HPW is not selectable as a PV Type in Setup/Inputs.
The parameter “Temperature Input” is available for either Durafet or Glass PV type to enable
or disable. A temperature input disable accommodates preamps that do not transmit
measured temperature from the probe. This will disable all monitored temperature values,
temperature input diagnostics and faults and the parameter “Solution Temp Comp” under
Setup/Inputs/pH Preamp n.
You need to disable “Temperature Input” for Durafet from External Preamp.
PV Type pH Glass
pH HPW
pH Durafet
(default)
The PV type determines the numerical format and the
units of measure on the online PV display. Measured
PV is generally displayed with fixed decimal precision.
PV Range 0.0 to 14.0 pH Read Only
Temp Input
Enable
Disable
(default)
Enable to allow “Temp Type” selection – see below.
Temp Type
(Temp Input =
Enable)
8550Ω Therm
(default)
1000Ω RTD
Manual
8550Ω Thermistor
1000Ω Resistance Temperature Detector
Manual
Temp Deg F or C
(Temp Input =
Enable, Temp
Type = Manual)
14.0 to 230.0ºF
default = 77ºF
-10 to 110ºC
default = 25ºC
Temp Deg F or C will appear depending on what
Temperature Unit was selected in “Maintenance”
setup group, parameter “Temp Units”.
Solu Temp Comp
(Temp Input =
Enable)
None (default)
Custom
H
2
0
NH
3
Phosphate
Morpholine
Enter “Solution pH/ºC” value
Pure Water
Ammonia
Phosphate
Morpholine