>I surmised that some OA might be jostled around and could start the process before I could get the unit totally upright and maybe even when the discharge tube was still slightly outside  Does any of this cause a problem?

No problem Bill. Yes the unit is on its side for a fraction of a second and on a few occasions a small amount of vapor starts pouring out but with the 9/32" hole the probe slips right in with virtually no leakage. It is easy to get it closely aligned with the hole before rolling.

Paul

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