Technical divers will be pleased to know there is an option for adding an independent oxygen sensor to the inhalation side of the breathing loop. We can deliver your Se7en customized with a cable for a CCR dive computer that supports a Fischer 103 connector, such as the Shearwater Petrel-EXT or the NERD. The dive computer allows independent monitoring of the additional oxygen sensor and together with the Poseidon display provides redundant monitoring of PO2, depth and time as well as redundant real-time decompression status. The NERD also adds a more information rich heads-up-display than the stock Se7en HUD.
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