Nuvair O2 QuickStick - $250 USD
Made in 2019 but new sensor in 2023. Checked against air and pure O2 - fast and accurate response. With plastic protective tube.
Oxycheq Expedition HE - $400 USD
Older unit but factory serviced a few years ago. With charger and OMS flow control for BCD fitting...
DGX does not recommend using hand-held O2 analyzers for technical diving applications, and instead recommend using "technical-grade" analyzers have built in compensation for humidity, barometric pressure etc.
I have never seen anyone using a $1000+ trimix analyzer to get a reading on anything...
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