氦气 Detection
Formula He · CAS 7440-59-7 · 惰性气体 / 单纯性窒息
Hazards & Toxic Symptoms
Helium is colorless, odorless, and non-toxic, but replacing oxygen in a confined space can lead to asphyxiation (lack of oxygen). Contact with low-temperature liquid helium can cause frostbite.
Typical Application Scenarios
- MRI magnetic resonance cooling
- Balloon/airship filling
- Deep-sea diving gas
- Semiconductor diffusion protective gas
- Fiber drawing
- Welding protection
Detection Principle / Recommended Sensors
Backdraft detection via oxygen measurement (O₂ < 19.5% alarm)
Common Range：通过 O₂ 反映
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Matching product categories: 氦气 detector 氦气 analyzer