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Technical background
The philosophy behind NeuLog's plug and play
technology is based on each sensor's ability to store its
own data due to an internal flash memory chip and
micro-controller in each plastic NeuLog body. This
technology allows the sensor to collect and then store
the digital data in the correct scientific units (for
o
o
example:
C,
F, Lux, %, ppm).
The sensor is pre-calibrated at the factory. The built-in
software in the logger can be upgraded for free at any
time using the provided firmware update.
There are two electrodes of known surface area on the
conductivity probe with a known distance between them
which allows the sensor to determine the conductivity of
solutions.
The electrodes on the conductivity probe have an
electrical potential difference applied to them to
generate a current through the solution. If ions are
present, the current flows between the electrodes.
Current flows through solutions via ion transport,
therefore the higher number of ions present in a solution
the easier an electrical current can flow and a higher
conductivity value will be measured.
The
sensor's
controller
calculates
the
solution
conductivity according to the measured current.
The electrodes alternate polarities to prevent a total ion
migration to either pole which could cause polarization
and electrolysis.
V2018.01
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