**Multi-Domain Applications**

Broadly applied due to performance:

- **Metallurgy Industry**: Monitor oxygen content in steel smelting, optimize material quality

- **Chemical Industry**: Real-time monitoring of oxygen content in the reaction system to ensure product purity and reaction efficiency

- **Environmental Protection**: Oxygen content detection of emissions gases, helping enterprises meet emission standards

- **Food & Beverage**: Control oxygen content during processing to extend product shelf life

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