Products > SoilWatch 10

Coating sides of PCB

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ByTrit:
Hi,
I'm bit worried about consistency of measurement after a prolonged period of time when the sensor will be placed in soil.
The sides of the PCB seems to be uncoated and I'm afraid that water will eventually get into the PCB and mess with measurement accuracy.
Is there some form of protection against water ingress into the PCB through the sides?
If not I was thinking about coating the sides with epoxy resin. Can it somehow affect the measurements?

Thanks.

pinolec:
Hi,

Thank you for your question.
The PCB is made of FR4 material which is nothing more than epoxy resin and fibreglass. The sensor electrodes are sandwiched between epoxy resin and fibreglass material so there is no need to seal the sides with the epoxy resin.

Kind regards,
Piotr

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