Oxygen Tank Duration Calculation Formula

Here the page provides the O2 remaining formula to compute the total amount of Oxygen left in the E cylinders used in the hospitals for patients. To calculate the total time left, multiply the total pressure left with the constant value of 0.35. Divide the obtained value by the flow rate. Determine the Oxygen supply left in the E cylinder using this oxygen tank duration calculation formula. Typically, an E cylinder holds about 625 liters of Oxygen.


Time Left = ( 0.35 × Pressure Left ) / Flow Rate

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E cylinders are one of the safety patterns build in the hospitals to make sure that the patients are not running out of Oxygen supply in case of emergency. It is used as an alternative oxygen supply when the pipeline fails to supply Oxygen.

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