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Gold Prospecting
Small Scale Gold Mining
Gas detectors
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<blockquote data-quote="Guest" data-source="post: 86472"><p>Not being picky but for that type of thing I would still seriously consider a CO2 monitor which, in my opinion, is more likely to be an issue in that type of environment than CO or explosive gases (but handy to have this monitoring too CO & LEL).</p><p>Reason being is due to most relying on the displacement of O2 as an indicator but this isn't always reliable. As an example 40,000ppm or higher CO2 is considered dangerous. At 70,000ppm the O2 may only be displaced to as low as 19.5% & by then it could be too late.</p></blockquote><p></p>
[QUOTE="Guest, post: 86472"] Not being picky but for that type of thing I would still seriously consider a CO2 monitor which, in my opinion, is more likely to be an issue in that type of environment than CO or explosive gases (but handy to have this monitoring too CO & LEL). Reason being is due to most relying on the displacement of O2 as an indicator but this isn't always reliable. As an example 40,000ppm or higher CO2 is considered dangerous. At 70,000ppm the O2 may only be displaced to as low as 19.5% & by then it could be too late. [/QUOTE]
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Gold Prospecting
Small Scale Gold Mining
Gas detectors
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