1. Product introduction
用于测定聚合物燃烧过程中所需氧气的体积比：测定在规定条件下氧气和氮气的混合物中维持样品燃烧的最低氧气浓度（也称为氧指数），以体积百分比表示。

2. standard of execution
GB／T2406—2008
GB／T5454—1997

3. Main technical parameters
1）Ambient temperature: room temperature ~40℃; Relative humidity: ≤70%;
2）Power supply voltage: AC220V 0.1kw;
3）Gas source: nitrogen and oxygen for industrial use, purity > 99%;
4）Input pressure: 0.25~ 0.5mpa; Working pressure: 0.1~ 0.2mpa;
5）Voltage stabilization accuracy: ≤0.001 Mpa/min; Measurement accuracy: 0.2;
6）Response time: < 5s;
7）Digital resolution: ±0.1%;
8）External dimensions: length 0.36× width 0.28× height 0.54 m; Weight: 24kg.