Oxygen Index Testing Instrument| Tech Trivial

 

🔬 Oxygen Index Testing Instrument: Precision Fire Safety Testing for Polymers & Cables

The Oxygen Index Testing Instrument is a specialized laboratory device designed to measure the Limiting Oxygen Index (LOI) of solid materials—particularly polymers, plastics, and cable insulation. By determining the minimum oxygen concentration required to sustain combustion, this instrument helps manufacturers and quality control labs assess material flammability and compliance with key fire safety standards.

✅ Key Features:

  • Vertical Test Chamber with clear glass tube and sample holder for easy observation

  • Digital Oxygen & Nitrogen Flow Controllers for accurate gas mixture settings

  • Precise Ignition System to ensure controlled and consistent flame application

  • Automatic LOI Calculation with user-friendly interface (in advanced models)

  • Stainless Steel Construction with heat-resistant components for long-term durability

  • Compliance with International Standards: ASTM D2863, ISO 4589, IEC 60332

🧪 How It Works:

A specimen is mounted vertically inside the test chamber. Oxygen and nitrogen gases are introduced in varying proportions. The sample is ignited, and technicians monitor whether the flame sustains or extinguishes. The instrument calculates the Limiting Oxygen Index (LOI)—a percentage that reflects the material’s fire resistance. Materials with higher LOI values are less flammable and more suitable for high-risk environments.

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