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Your Right to Know: Full Safety Data on our Rebreathers

Deep Life Group's safety design process was certified to meet IEC EN 61508, the Gold Standard in Functional Safety and High Integrity - this is regarded as the "Gold Standard" from which many industries have produced more manageable subsets in safety standards covering nuclear, rail, air, medicine and chemistry.   All Open Safety products designed and managed in accord with that process can be certified to EN 61508, up to SIL 3.    

In IEC EN 61508, a lot of emphasis is put on the safety of electronics and software but the standard is end-to-end, covering all mechanics and even the user's training, the user manuals, and our follow up - including our life guarantee.   It has been applied to every aspect of our rebreathers.

Our products also meet CE EN 14143, EN144, EN250, NORSOK U101 and a host of other standards.  The reports below are the safety data used as evidence used to support the Technical Files for each of those standards.

This project was so technologically revolutionary, the project name prior to product release in Deep Life Group, was "Open Revolution": the Open referring to the open disclosure of the safety data, and the Revolution referring to the first time any dive system has been designed and built to meet Functional Safety standads.

The main safety data is contained in the following document sets:

Safety Integrity Level Assignment for Dive Systems (325KB)
The EN61508 Safety Integrity Level assessment and assignment for the different subsystems and applications for rebreathers. The SIL assignment for eSCR and eCCR is SIL 3 to 4, the communications has a SIL assignment of SIL 2, independent PPO2 monitor is assigned SIL 2, Topside monitoring software is assigned SIL 1.

or_models.php

Formal (maths) models
Maths models for the rebreather, its environment, and decompression algorithms. These are in Matlab and Simulink for ease of use, and for Monte Carlo testing of independently written code.

or_accident.php

Accident Database and Reviews
The Comprehensive Database of Rebreather Fatal Accidents, and incident analysis: a data-mine that can improve safety in the design and training processes.

or_dv.php

Design Validation Reports
These are the detailed test and validation reports that identify the limits of each subassembly.

or_hazops.php

HAZOPS
A selection from the Formal HAZOP and safety review reports. The HAZID reviews also contribute to Volume 6 of the FMECA.

or_fmeca.php

FMECA
There are 10 volumes in total covering the whole design, from top down and from bottom up, for the electronics, software and mechanics, including a Fault Tree Analysis.

or_products.php

Open Safety Rebreathers
Presentations on Open Safety's family of rebreathers.

exploded_drafts.php

Exploded Drawings
Full set of exploded drawings for the Open Revolution family of rebreathers.