FlareTest is a reputed Manufacturer of Oxygen Index ISO 4589-2, an advanced testing instrument designed to determine the minimum concentration of oxygen required to support material combustion. Built according to ISO 4589-2 international standards, this system provides accurate and repeatable results for evaluating the flammability and fire resistance of plastics, textiles, and other materials. Our Oxygen Index Tester features precise flow control, stable ignition systems, and easy operation, making it ideal for fire testing laboratories, industrial quality departments, and research centers. Known for its durability, reliability, and ISO compliance, the FlareTest Oxygen Index ISO 4589-2 ensures accurate and consistent fire safety testing across industries.

Oxygen Index ISO 4589-2 Manufacturer in Andhra Pradesh

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Oxygen Index ISO 4589-2 Manufacturer in Arunachal Pradesh

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Oxygen Index ISO 4589-2 Manufacturer in Punjab

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Oxygen Index ISO 4589-2 Manufacturer in Uttar Pradesh

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Test Principle

• A small vertical specimen is mounted inside a transparent glass chimney.
• A controlled mixture of oxygen and nitrogen flows upward through the chimney.
• The top of the specimen is ignited, and the subsequent burning behavior is observed (burning length, burning time, self-extinguishment).
• By testing multiple specimens at different oxygen concentrations, the Limited Oxygen Index (LOI) is determined.

Reported Data

• Oxygen Index value (% O?)
• Observations of flame propagation, time of burning, and extent of burning

Oxygen Index Tester – Key Features

Chamber & Support

• Compact foundation with vibration-free support for the glass test chimney
• Transparent heat-resistant glass tube: Ø 75 mm × 500 mm height

Gas Measurement & Control

• Oxygen transducer specifications:
  • Range: 0–100% O?
  • Linearity: <0.1%
  • Repeatability: <0.1%
  • Intrinsic error: <0.1%
  • Zero stability: <0.1% O? per week
  • Response time T90: <3 s (at 80 ml/min flow)
• Digital oxygen concentration display with 0.1% resolution
• Mass flow controllers for O? and N? gases
• Digital display of gas flow rates with 0.1 L/min resolution
• Rapid adjustment knob for O? concentration

Accessories

• Stainless steel specimen holders

Portable flame igniter (easy-to-use, reliable ignition)