GDD Instrumentation MPP-EM2S Plus Instruction Manual page 34

Mpp probe
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7: PLEASE INIT message
By default, this message appears every minute. When it appears, a probe initialization is required.
If the probe is not initialized after 30 seconds, the GDD logo with the message PLEASE INITIALIZE
will appear and the readings will stop. The readings will resume when the probe will be initialized
(you just need to press the readings space). It is possible to change the time between two
initializations in the REINIT page (see Section 10.3). If you are not able to initialize the probe when
you see the GDD logo, you will need to close the software and open it again.
8: PROBE LOW BAT message
This message indicates that the charge of the AA batteries is not sufficient to supply the probe.
The batteries must be replaced or recharged. When the level of the batteries charge is low, the
value of the readings could be inaccurate.
Recommendations:
• Keep a constant speed to move the probe along the core sample to obtain a real graph, and make
sure that the contact between the core and the end of the probe is the same for each reading you
take.
• If the conductivity of some points on the core seems to be very high (999999), check if this
conductivity is true by reading again slowly the conductivity of these points with the MPP probe.
• Create a file after each readings series. (See Section 10.4 – Memory page).
Instrumentation GDD Inc.
2018-01-16
33

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