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Readings interpretation
.1
HF/COND Distinction
In the case of conductive sulphides: The HF response provides an indication of sulphides quantity. The
Conductivity (Mhos/m) provides an indication of sulphides quality. The conductivity of a small and a
large aluminium foil will be similar but the HF response will increase with the size of the aluminium
surface.
.2
Results Signification
HF RESPONSE: the number in this window represents the value of the HF response.
SCPT 0.001 Magnetic Susceptibility: the number in this window represents the value of the magnetic
susceptibility.
COND MHOS/M Calculated Conductivity: it is important to note that in the presence of magnetite in
the sample, the MPP3wifi probe may overestimate the conductivity value. In addition, the « > » sign
appearing before conductivity value indicates that real conductivity is higher than 999999 S/m. It is
recommended to repeat the measurements at those locations after reinitializing to make sure these
readings are reliable.
.3
Sample Shape and Distance
The measured values could depend on the shape of the sample. For an equivalent content of
conductive/magnetic ore, the response will increase with an increasing surface of contact. In the
same way, the response will decrease with an increasing distance between the probe and the sample,
the probe has to be in contact with the sample.
Instrumentation GDD inc.
2017-08-21
33
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