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IMA Sensing® technology for Fouling Immunity
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Using our patented
IMA Sensing® technology Charis sensors
are able to discriminate between the residual deposits of foam and product that
build up on the sensor itself, and the foam being created in the
process.
Effectively the Foam
Sensor ignores the inevitable fouling while continuing to monitor the foam. No
matter how heavily the Sensor is coated, or how dense and sticky the layer, its
unique construction enable it to keep measuring foam throughout the process
cycle.
The diagram left shows a
Charis sensor coated in a sticky build-up of foam and product. The measuring
current which is shown in red on the graphic continues to flow only through the
foam. The blue line represents the leakage current driven by the guard
electrode. This enable the sensor to function as the leakage is measured
separately and not as part of the foam signal.
Often it is not possible to
prevent material build-up but our IMA Sensing®
technology enables the sensor to function reliably despite extensive
coating or fouling. To see a short video demonstration of IMASensing®
technology at work please click
HERE (opens in
another window). |
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The
photographs left show a Braun fermenter which is coated with product. The
close-up picture of the sensor (seen arrowed protruding from the headplate)
shows it to be completely covered with material but it was still working when
the vessel was opened. The user was so astonished that he took a photograph to
send us. |
Charis Technology - Striving for excellence
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