Recommendation for a scuba oxygen analyzer

[tursiops]

1% doesn't matter at all. None of this scuba stuff is that precise since physiology is involved.

LOL - I thought you were even more anal than I am!

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[geoff w]

Palm O2 manual says 15' to 20'. Few hour sseems very long. May want to check if sensor not at end of its life.

It's a new sensor. Analyzer was new last year, and after several funky readings, I sent it back to Analox, who said the sensor was bad and replaced it. I usually keep my analyzer in a small Pelican case, so maybe that's why I get better results after a few hours instead of only 20 minutes. I would still buy it again without hesitation

 

[DavidFL]

I built the el-cheapo about five years ago; it works; I have replaced the O2 sensor twice...there was an accessory back when I bought my kit that had a machined metal cap with an O-ring for the sensor, so I always use that; don't really know if having undisturbed trapped stale gas up against the sensor makes it last longer.

If I was buying a commercial one I think I would go for the Analox; have used it on lots of boats and operators and it seems a good combination of packaging and accuracy as far as I can tell.