For septic tank of my pleasure boat, I purchased in March 2025:
– Gobius Pro sensor (firmware 2.2.2)
– Gobius C sensor (firmware 2.0.0)
Both were successfully installed by professional Marine company, Mainserv Ltd, Inkoo, Finland.

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Black water tank

Replacement of mechanical sensors in both fresh and black water tanks. We have two of each so ordered 4 sensors which we will connect to our Czone switching and monitoring system.

Good

Messung Benzin / Grauwasser / Frischwasser

So we didn’t have to guess if the selvage tank needed pump out.

Messure levels for my septic tank

Good products

Had one before