To what accuracy should an oxygen analyzer display oxygen content?

The oxygen analyzer should display oxygen content with an accuracy of one-tenth of one percent. This level of precision is crucial for diving applications because even small variations in oxygen concentration can significantly impact a diver's safety and the effectiveness of their breathing gas.

Oxygen levels that are too high can lead to oxygen toxicity, while levels that are too low can result in hypoxia. Therefore, having an accurate reading allows divers to make informed decisions about their gas mix and dive plans. A display that shows oxygen content with this degree of precision helps ensure that divers remain within safe operating limits, especially when using nitrox mixtures that are specifically designed for certain depth ranges and time limits.