O2ptima CM

General Safety Statements and Warnings

DO NOT use the O2ptima CM without successfully completing an O2ptima CM-specific training program... DO NOT use the O2ptima CM without reading and understanding this manual in its entirety. Reading…

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Introduction

https://youtu.be/L3A3LNwj7KY?si=s_wN5N8OmcnD3z0b Congratulations on your purchase of the O2ptima CM rebreather! First produced in late 2005, the O2ptima has been a leader in the rebreather market for over a decade. During…

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Design Philosophy

The design parameters for the O2ptima were simple: Keep the breathing loop as short as possible Use proven, state-of-the-art electronics Be fully compatible with the Micropore ExtendAir cartridge Maintain a…

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System Overview

The O2ptima CM is a chest-mounted, electronically controlled, constant PPO2, fully closed circuit rebreather (eCCR). It has built-in decompression calculation and mixed gas capabilities.The following features come standard on the…

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The Breathing Loop

The O2ptima CM incorporates a chest-mounted, dual counterlung design. The breathing loop consists of the DSV, breathing hoses and hose fittings, inhalation and exhalation counterlungs, scrubber canister, canister end cap,…

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Micropore ExtendAir Cartridge Overview

(Information from www.microporeinc.com)ExtendAir® adsorbent technology is a combination of a microporous gas adsorbent sheet and the geometry in which it is utilized. The adsorbent material is manufactured with a proprietary…

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Basic Operation & Use

WARNING: This manual does NOT cover all information and procedures required to safely dive the O2ptima CM and is NOT a substitute for unit specific training.

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Technical Specifications

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Revisions & Changes in Documentation

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Appendix II: Galvanic Oxygen Sensors Applied to Closed Circuit Rebreathers

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