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Tom Rose · 21st November 2007, 16:12

[quote=divetheworld;82825]

Quote: (Originally Posted by Tom Rose)

Question, am I missing something?
If you are using an IR absorb sensor then it will be specific to a frequency, but that frequency will change with pressure.
So as the pressure increases so will the error. IR is usually only accurate over a specific range.

Brent

Absolutely right....there is more going on than discussed before. Without going into details, there are ways of handling that issue.

Tom

21st November 2007, 16:12	#22 (permalink)
Tom Rose Still Learning Current Rebreather/s: Other CCR Home Build Other Rebreather/s: Prism Topaz Other CCR Home Build Join Date: Oct 2005 Location: USA,North Carolina Posts: 331	Re: Co2 Sensor At Dema [quote=divetheworld;82825] Quote: (Originally Posted by Tom Rose) Question, am I missing something? If you are using an IR absorb sensor then it will be specific to a frequency, but that frequency will change with pressure. So as the pressure increases so will the error. IR is usually only accurate over a specific range. Brent Absolutely right....there is more going on than discussed before. Without going into details, there are ways of handling that issue. Tom __________________ The 50-50-90 rule: Anytime I have a 50-50 chance of getting something right, there's a 90% probability I'll get it wrong the first time. www.atlimp.com
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