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Rich, Marko Flagg just sent me a computer that I commissioned him to build around his dive tracker system for my BioMarine rebreather. It replaces my secondary gauge (but I'll have secondary as backup) and reads the pO2 of each of three sensors and has voting logic for one down sensor. Decompression alogarithm based on Buhlmann's ZHL-16 model but you can modify or create your own deco. Ronnie Bell of Decomm provide serious consults with Marko. Bell got Marko a copy of the latest Buhlmann book in German which Marko reads fluently. Deco can utilize 8 different gas mixes. Can accomodate gas switches quite easily. Can be set for CC rebreather or OC. Can add a factor to change a and b for inert gases but at zero factor, the deco tracks with Decom tables. I have been using decom to manually generate constant pO2 tables. For the recent tables that Hamilton prepared for me, Decom-generated tables track right with Hamilton. So, I believe Dive Tracker will be close to Hamiliton tables. Dive tracker has a 300 psi pressure sensor, so the depth rating is at least 670 odd feet (you can do the math). Can be pressure integrated for one gas. Screen tracks inert gas elimination in tissue groups. Also graphically tracks dive. HBO and Cinemax are extra. Off-on backlighting. Size is two Edges thick by 1.5 Edges long. A little large for my taste. but the box was designed for sonar and navigation underwater for ROV, divers, submersibles. Plus it has been field tested for its ability to withstand a great white bite. Beautiful piece of work. Documentation is extensive and easy. Computer software for desktop or laptop allows you to modify gases, deco, a and b factors, % gas mixes, and anything else your heart desires and then tranfer the changes to the Dive Tracker. You can change parameters on the Dive Tracker on the fly. There is a look ahead feature where you can ask Dive Tracker what the consequences of x more minutes BT or x more feet depth or less time or less depth on your deco as you are doing the dive. There is a lot more but I'd have to kill you etc. etc. I'll have the rebreather, computer and Widolf mask with switching block at TEK and DEMA. Marko and BioMarine are sharing a booth at TEK and that's where it'll be. The only thing I cannot do with the BioMarine now is to switch pO2 on the fly. I think others with the 155 will get Marko's unit to compute deco., especially if you are diving mix. Eat your heart out, dude. Rod
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