Date: Fri, 24 Sep 1993 13:06 EDT From: "John P. Price" <jp4@BB*.CO*> >What are the other UK divers using? Have you ever had reason to fire a flare, >and if so, did it work? I have a whistle tied to the inflator hose of my bc. >a Dive Alert, What's the minimum tank pressure that a "Dive Alert" will operate and for how long? A Dive Alert stays line with the LP inflator hose. Which is about 150 psi depending on which regulator you own. I guess you could cause someone to go deaf before you ran your tank to low for the thing to work. Another way to think of it would be "How long would your tank last if you kept finger on the L.P. inflator button. A long time. I think in an emergency I would prefer the Dive Alert over a whistle. I happen to dive with both. I would estimate it to be at least 10X louder than any whistle. Anyway if you blow into to whistle long enough your going to get a little light headed. The Dive Alert requires only the pressing of a button.
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