WT.050.560.001.UA.IM.0714
Depolox
®
3
plus
RESIDUAL ANALYZER
EVOQUA
W3T140188
INTRODUCTION
The Depolox
®
3
plus
Residual Analyzer is a low cost economical analyzer for
potable water that continuously measures either free or total chlorine, chlorine
dioxide or ozone residuals using proven amperometric measurement technol-
ogy. There is also an arrangement available for measuring pH or flouride. All
arrangements include a temperature measuring and monitoring device.
The Depolox
®
3
plus
analyzer consists of two separate components: a “wet
side” package containing the sensor/cell and an electronic control package.
The electronic package is available for either 115 or 230 volt operation. A single
input arrangement is used when only a disinfectant measurement (free or
total chlorine, chlorine dioxide, ozone) is required. A dual input arrangement
is available when either pH or fluoride measurement is required in addition to
a disinfectant measurement. Note that for pH- or fluoride-only measurement,
the dual input electronic package is required and the dual input cannot be
used for two disinfectant measurements. All arrangements have temperature
measurement. The electronic package provides for operator input via plain-text-
assisted, self-explanatory menus and a sealed keypad. The large, two-line (16
characters each) display of disinfectant residual alternates every five seconds
with the disinfectant value, temperature, and either pH or fluoride values when
the analyzer is set up for these measurements.
There are two wetside configurations available: Membrane and Bare Electrode.
Both consist of a flow-through cell with a transparent plexiglass body that houses
one or two measuring sensors. The cell’s transparency permits visual checks on
the flow of sample water and measuring conditions. The Membrane wetside
can be fitted with any one of four membrane-type sensors (free chlorine, total
chlorine, chlorine dioxide or ozone) for disinfectant measurement. A second
sensor can be added for pH or fluoride measurement. The bare electrode
wetside is available for free chlorine measurement only. This arrangement can
be used where a quick response time is required or if there is a high hardness
in the sample water that could foul a membrane sensor. A second sensor can
be added for pH or fluoride measurement. Note that free chlorine measure-
ment by this wetside is affected by changes in pH. It is possible to compensate
for pH changes by using a dual input arrangement with the pH sensor option
for automatically calculating the residual value in response to changes in pH
between 6.00 to 8.75.
Refer to Table A for part numbers for the various analyzer combinations.
Introd.
Summary of Contents for Wallace & Tiernan Depolox 3 plus
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