北京中航鼎力仪器设备有限公司

 JF—3型氧指数测试仪是根据国家标准GB/T2406规定的技术要求研制的新型号产品。JF - 3 type oxygen index test instrument is developed according to the technical requirements of the national standard GB/T2406.该仪器是用来测定聚合物燃烧过程中所需要氧的体积百分比，聚合物氧指数值是在该物质引燃后，保持燃烧50mm长或燃烧时间为180s时所需要的氧、氮混合气流中，刚好维持式样燃烧所需的最低氧浓度（亦称氧指数）。The instrument is used to oxygen volume percentage of the determination of combustion process of the polymers and polymer oxygen refers to the value is in the material after the ignition, combustion 50mm in length or burning time 180s need oxygen, nitrogen gas mixture to maintain, just to maintain the style required to burn the minimum oxygen concentration (also known as oxygen index).主要技术指标Main technical index序号 项目 参数Item parameters1 测量范围 0～100％/O21 measurement range 0 ~ 100%/O22 分辨率 0.1％/O22 resolution 0.1%/O23 测量精度 ±0.4％/O23 measurement accuracy + 0.4%/O24 响应时间 ﹤10s4 response time < 10s5 数显精度 0.1％±1个字5 digital precision 0.1% + 1 words6 输出漂移 ﹤5％/年6 output drift less than 5%/仪器的工作条件Working conditions of instrument序号 参数 数值Serial number parameter value1 环境温度 -10℃～45℃1 ambient temperature -10 C ~ 45 C2 相对湿度 ﹤85％2 relative humidity < 85%3 电压及功率 220V、50HZ、100W3 voltage and power 220V, 50HZ, 100W4 使用气体 GB3863工业用气态氧4 the use of gas for industrial use of gaseous oxygen GB38635 输出压力 0.25—0.4Mpa5 output pressure 0.25 - 0.4Mpa6 工作压力 0.15Mpa6 working pressure 0.15Mpa