Flycaster
Contributor
How many of you guys use an analyzer to check LDS fills before a dive?
Nitrox Analyzer - How many use one?
- Thread starter Flycaster
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billt4sf
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I usually use their analyzer. Is that what you meant?
Actually on vacation dives on a LOB, nearly everyone trusts the staff to do the analysis for them.
- Bill
Actually on vacation dives on a LOB, nearly everyone trusts the staff to do the analysis for them.
- Bill
Scubagolf
Contributor
Most dive resorts we frequent such as Scuba Club Coz and Turneffe Island require us to personally test all nitrox tanks, sign off, and label the tanks. The only liveaboard we have been on so far was in Palau where we tested the first day and trusted the crew the rest of the trip.
I analyze at the store with theirs. Which goes to whole number for nitrox. If I'm analyzing helium then the tester goes to the tenth in decimal. Before I move the tanks to the truck to dive they are analyzed a second time, with my analyzer to verify. Every tank is tested twice. Once when picked up and a second time before the dive.
Out of all the testing I have only ever had one reading that was off. My original test said 50% my second test read 52%. That was after about 3 weeks sitting around. Not the end of the world but the MOD is different.
Out of all the testing I have only ever had one reading that was off. My original test said 50% my second test read 52%. That was after about 3 weeks sitting around. Not the end of the world but the MOD is different.
There is always a tester on the boat. Some DMs will test your tank while you watch, some just hand you the tester. In Coz, our op does not keep a log on the boat. In Roatan, they kept a log that you signed off on.
I only dive Nitrox on vacation, no need locally.
Like @DandyDon says...."you can test your air or dive on hope....testing is safer". Or something like that.
Safe travels,
Jay
I only dive Nitrox on vacation, no need locally.
Like @DandyDon says...."you can test your air or dive on hope....testing is safer". Or something like that.
Safe travels,
Jay
OP
Flycaster
Contributor
I test every tank twice for both O2 and CO. At home I pump my own nitrox but still test every tank at the time of the fill and on the day of the dive. On vacation I check on the boat. I have a cootwo for the dive gear box. At home I use a nuvair and I have a teledyne for monitoring the continuous blending.
scubafanatic
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Yes, Maxtec 'maxO2+ stowed in Otter box. Beats waiting around while the group passes around the boat's communal tester.
Every liveaboard I have been on (in Thailand) has required nitrox divers to analyze their own tanks and write down oxygen content, MOD, and signature on an analysis roster before every dive.
Lately I have also been carrying my own analyzer (Cootwo).
It is a diver error to not analyze your own tank if you have reason to believe it might be anything other than regular compressed air.
Mikkel
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