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  1. BingoBaggins

    Method for measuring very low flow rates of a gas? (Maybe a "passive peristaltic pump"?)

    Hi all. I'm trying to come up with a way to measure the very low flow rate of a gas (on the order of ml / day) without allowing backflow. Assuming this gas is under sufficient pressure to drive a metering mechanism, what would that mechanism be? As far as I've gotten: Is it possible to drive a...

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