Critical (Limiting) Oxygen Index Test Apparatus

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. This Oxygen Index Tester is used to determine the lowest oxygen density that tested materials keep steady burning under oxygen and nitrogen mixed gas.

Testing Standards:
ISO 4589-2, ASTM D2863, GB/T 2406, GB/T 5454

Product Information:
Oxygen Index Test Apparatus Features:
1. Used to determine the lowest oxygen density that tested materials keep steady burning under oxygen and nitrogen mixed gas.
2. Utilizing the latest oxygen analyzer technology, the unit provides a stable, digital readout of oxygen concentration to ¯ 0.1%.
3. 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 × 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.
4. Automatic calibration.
5. Digital selection of oxygen concentration by push-button control.
6. Adjustment of oxygen and nitrogen flow is automatic to achieve the desired oxygen concentration.
7. Digital Display: Instrument status, oxygen concentration, flow rate, chimney temperature, elapsed time.
8. All necessary control valves, flowmeters and filters are built in and the instrument is easy to use.
9. The apparatus is supplied complete with a burner assembly and instruction manual..
10. Weight: 45kg.
11. Dimensions: 460mm(W)×410mm(L)×780mm (H).