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The self-contained Model MD85100 Digital Hot Metal Detector is
available with either air coolant chamber venting as air purge or
alternatively with a water coolant chamber and separate air purge.
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General Description
The MD85100 is a fully digital “All-in–One” Hot
Metal Detector uniquely incorporating a bar display showing the % IR
input signal relative to the pre-set threshold as well as programmable
thresholds and response times via simple programming switch action. This
and the universal connection format means it provides the user with one
universal Detector that can be used throughout the mill. The MD85100 is
the economical choice. Now there is no need to stock various Detectors
for each location. Costly multiple inventory can be replaced by one
Detector.
The MD85100 Hot Metal Detector is a robust sensor activated by the
infra-red radiating from the hot product. Impervious to water or steam
it is built to withstand the harshest of environments. The product is
detected via a highly stable InGaAs Photodiode to ensure detection
regardless of heavy water and steam and incorporates filtering that
removes the visible spectrum to minimize sensitivity to extraneous
light. The precise 1° x 25° lens ensures accurate detection of strip and
accommodates bar bounce. For general tracking or mounting the HMD at a
long distance from the line various spot lenses are available.
This Detector is especially suitable where ambient temperatures are
subject to large changes. In standard format, a large air cooled chamber
vents via deflector in front of the lens to allow the use of
non-instrument air and provides air purging. Alternatively, an optional
sealed loop water coolant radiator accommodates tap pressure and a
separate air purge inlet may be provided.
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