Units of measurement
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Millimeters of water (mmH2O)
Centimeters of water (cmH2O)
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Millimeters of water (mmH2O)
Millimeters of water (mmH2O) — a unit of pressure equal to the pressure exerted by a 1-millimeter high column of water. Used in hydrostatics and water systems.
Centimeters of water (cmH2O)
Centimeters of water (cmH2O) — a unit of pressure equal to the pressure exerted by a 1-centimeter high column of water. Used for low-pressure measurements.