Decagon Devices MAS-1 Instrukcja obsługi - Strona 16

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Decagon Devices MAS-1 Instrukcja obsługi
MAS-1
6

Troubleshooting

If you encounter problems with the MAS-1, they will usually be
caused by one of two situations
If the MAS-1 readings in air and/or water are outside the
ranges given in Section 3.2, then there is likely a problem with
the connection to the PLC or other data acquisition system.
Check the wiring and make sure that the supply voltage is in
the specified range.
If the MAS-1 is reading a negative value for VWC while it is in-
serted into the soil, make sure that you have good sensor-to-soil
contact. When inserted, the MAS-1 should be completely cov-
ered up past the black overmolding. Removing and re-installing
the full length of the sensor with better sensor-to-soil contact
should remedy this problem.
If problems persist, contact Decagon for assistance.
6 TROUBLESHOOTING
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