Critical (Limiting) Oxygen Index Test Apparatus

Model OI-1 110V 50/60Hz
Model OI-1-X 220V 50/60Hz

This well-established test complies with a very wide range of national and international standards. It is widely used as a laboratory research tool to measure the comparative FR properties of different materials.

Test Specifications
  • ASTM D 2863
  • ISO 4589 PART 2
  • BS 2782 PART 1, METHOD 141
  • NFT 51-071
  • Utilizing the latest oxygen analyzer technology, the unit provides a stable, digital readout of oxygen concentration to ± 0.1%.
  • A heavy duty Pyrex chimney is provided, along with two types of sample holder:
     a: For non-self-supporting sheet samples (e.g. textiles, films, papers, etc.) Sample size: 150 x 37.5 mm and up to 12 mm thick.
     b: Self-supporting rod samples (e.g. plastics, wood, etc.). Sample size: 150 mm length and up to 10 mm diameter.
  • Automatic calibration.
  • Digital selection of oxygen concentration by push-button control.
  • Adjustment of oxygen and nitrogen flow is automatic to achieve the desired oxygen concentration.
  • Digital Display: Instrument status, oxygen concentration, flow rate, chimney temperature, elapsed time.
  • All necessary control valves, flowmeters and filters are built in and the instrument is easy to use.
  • The apparatus is supplied complete with a burner assembly and instruction manual.
  • 110 V 50/60Hz or 230 V 50Hz
  • 100 Lbs
  • ASTM D 2863
  • ISO 4589 PART 2
  • BS 2782 PART 1, METHOD 141
  • NFT 51-071