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5.3
Robust Probes
The
Robust Oxygen Probes
are
composed of a black fiber and a
stainless steel tubing 3 mm in
diameter, and 30 or 100 mm in
length (e.g. item no.
OXROB3
,
OXROB10
).
The
oxygen
sensitive part is the disc 3mm in
diameter located at the very end of the tubing (green disc in image
below).
The
Robust Oxygen Probes
can be optionally obtained with an
optical isolation (black coating) on the sensing surface (item no.
OXROB3-OI
,
OXROB10-OI
), which is recommended for
applications with strong external illumination like direct sun light.
The
Robust Oxygen Probes
can be used for long-term
measurements in gases and liquids. The whole sensor including its
cabling is completely submersible in water and specified for
longtime submersion in liquid media.
In contrast to the needle-type sensors, the sensitive sensor tip of
the robust probe is protected by the steel tubing and is more
robust for standard laboratory applications. Due to the
significantly bigger dimensions of the robust probes compared to
our micro- and minisensors, diffusion limitation in liquid samples of
