On a vane-type oxygen flowmeter, where is the flow rate read?

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Multiple Choice

On a vane-type oxygen flowmeter, where is the flow rate read?

Explanation:
In vane-type flowmeters, the indication is tied to the position of a small vane inside a vertical tapered chamber. The scale is printed on the outside of the tube, and you read the flow rate where the top edge of the vane aligns with that scale. Reading at the top provides a direct, consistent indication of liters per minute and avoids misreadings that could occur if you looked at the vane’s bottom or sides. So the flow rate is read at the top of the vane where it meets the calibrated scale.

In vane-type flowmeters, the indication is tied to the position of a small vane inside a vertical tapered chamber. The scale is printed on the outside of the tube, and you read the flow rate where the top edge of the vane aligns with that scale. Reading at the top provides a direct, consistent indication of liters per minute and avoids misreadings that could occur if you looked at the vane’s bottom or sides. So the flow rate is read at the top of the vane where it meets the calibrated scale.

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