The Dräger is a very simple piece of equipment. It has been designed to use EANx mixtures in a pre mixed cylinder to maximize the duration of recreational dives. It is not intended, nor designed to handle decompression dives, and we personally recommend a depth limit of 30m for divers wishing to use the Dräger.
The system works on a constant flow rate which means that the pre mixed Nitrox continually flows through a small jet into the breathing loop. The diver simply decides the maximum dive depth, and then selects the appropriate jet size to give enough gas to breathe at the target depth. The diver then cross-references a look up chart to determine what the final 02% will be in the loop, and then plans the dive. The deeper the dive, the bigger the jet will need to be to give enough gas, so therefore the available duration will naturally decrease with deeper dives.
This is the reason why we recommend a 30m maximum depth, as the unit doesn't give sufficient dive duration below this depth. For shallow water diving it is ideal. In 20m of water, the SCR should give you nearly 2 hours of in water time, more than enough, and also good value from the inboard 4 liter EANx cylinder. For bailout you can fit an external 3 litre pony cylinder which for no decompression dives is ideal. There are no electronics to monitor, and the diver simply concentrates on the dive, and monitors a standard contents gauge as per normal OC diving. The scrubber canister should give up to 3 hours duration, which is about enough for a weekends diving.
The training course is 2/ 3 days long and concentrates mainly swimming the unit on a variety of dives. Skills are very simple, mainly revolving around OC bailout and mouthpiece recovery. The theory is completed in our classroom or between the diving aboard our training vessel, and doesn't hinder the diving.
We also offer a SCR weekend which allows any diver, regardless of qualification to come and spend the weekend just diving the unit. A great way to see if rebreather diving is for you. Cost of the training course is £250 plus boat fees, and the cost of the weekend experience is £130 plus boat fees

One of the latest additions to the Rebreather world is the new Dräger Ray SCR Rebreather. With its over the shoulder counter lungs and very streamlined design this unit is both easy and fun to dive. Here at Deep Down we have a number of units available for training putting you in a position to experience and learn to use this unique new entry level unit aimed to give the novice as well as the experienced diver an entry in to the silent world. .Cost of the training course is £200 plus boat fees, and the cost of the weekend experience is £130 plus boat fees. Both units are available for purchase directly from us. If you buy either unit from us to train on then the course is free!