WJHC-2氧指数测定仪
一、氧指数测定仪适用范围：
适用于塑料、橡胶、纤维、泡沫塑料、软片和薄膜及纺织等材料的燃烧性能测定。
二、氧指数测定仪设计标准：GB/T 2406.2 GB/T 2406.1
符合标准：ASTM D 2863, ISO 4589-2, NES 714 GB/T 5454 GB/T 10707 GB/T 8924 GB/T 16581 NB/SH/T 0815-2010 TB/T 2919 IEC 61144 ISO 15705 ISO 4589-2
三、氧指数测定仪主要技术参数：
1.采用进口氧传感器，数字显示氧气浓度无需计算，精度更高更准确，范围0—99%
2.数字分辨率：±0.1%
3.测量精度：0.4级
4.流量调节范围：0-10L/min（60-600L/h）
5.响应时间：＜5S
6.燃烧筒：内径≥75㎜ 高400mm
7.燃烧筒内气体流速：40mm±10mm/s
8.压力表精度2.5级，分辨率：0.01MPa
9.流量计：1-15L/min（60-900L/H）可调，试验环境：环境温度：室温～40℃；， 相对湿度：≤70%；
10.输入压力：0.2-0.3MPa
11.工作压力：氮气0.1-0.15Mpa 氧气0.1-0.15Mpa氧气/氮气混合气体入口：包括稳压阀，流量调节阀，气体过滤器和混合室。
12.试样夹可用于软质和硬质塑料、纺织品、防火门等
13.丙烷（丁烷）点火系统，火焰长度5mm-60mm可自由调节
14.气体：工业用氮气、氧气，纯度＞99%；（用户自备）。
15.电源要求：AC220（+10% ）V、50HZ
16.使用功率：50W
17.点火器：有一根金属管制成、尾端有内径Φ2±1mm 的喷嘴，能插入燃烧筒内点燃试样，火焰长度： 16±4mm ， 大小可调
18.自撑材料试样夹：能固定在燃烧筒轴心位置上、并能垂直夹住试样
19.非自撑材料试样夹：能将试样的两个垂直边同时固定在框架上
四、氧指数测定仪机箱及部分结构：
1. 控制箱：采用数控机床加工成型，静电喷涂，美观、防锈防腐。控制部分与试验部分分开控制
2. 燃烧筒：耐高温优质石英玻璃管（内径￠75mm，长300mm） 出口内径：φ40mm
4. 混合器：采用玻璃珠填充形式，将氧气和氮气均匀混合。（珠φ4.5mm填充高度95mm，一袋）
5. 试样夹具：自撑式夹具，并能竖直地夹住试样；（可选配非自撑式式样架），两套式样夹满足不同试验要求；式样夹插接式，安放式样与式样夹更简易
7.标配备用玻璃筒，防止意外损毁，满足不间断试验需求； 长杆点火器尾端管孔直径￠2±1mm,点火器火焰长度（5-50）mm可任意调
HC-2 High Precision Oxygen Index Measuring Instrument with Digital Display
Scope of application:
It is suitable for the determination of combustion properties of plastics, rubber, fibers, foam plastics, film and textile materials.
Design Standards: GB/T 2406.2-2009 GB/T 2406.1-2008
Compliance criteria: ASTM D 2863, ISO 4589-2, NES 714 GB/T 5454 GB/T 10707 GB/T 8924-2005 GB/T 16581-1996 NB/SH/T 0815-2010 TB/T 2919-1998 IEC 61144-1992 ISO 15705-2002 ISO 4589-2-1996
3. Main technical parameters:
1. Using imported oxygen sensor, the digital display of oxygen concentration need not be calculated, the accuracy is higher and more accurate, the range is 0-99%.
2. Digital resolution: +0.1%
3. Measurement accuracy: 0.4 grade
4. Flow regulation range: 0-10L/min (60-600L/h)
5. Response time: <5S
6. Burning cylinder: inner diameter (> 75) 400 mm high
7. Gas flow rate in combustion cylinder: 40 mm (+10 mm/s)
8. Pressure gauge accuracy 2.5, resolution: 0.01MPa
9. Flowmeter: 1-15L/min (60-900L/H) adjustable, test environment: ambient temperature: room temperature-40;, relative humidity: <70%;
10. Input pressure: 0.2-0.3 MPa
11. Working Pressure: Nitrogen 0.1-0.15Mpa Oxygen 0.1-0.15Mpa Oxygen/Nitrogen Mixture Inlet: Including Pressure Regulating Valve, Flow Regulating Valve, Gas Filter and Mixing Chamber.
12. Sample clips can be used for soft and hard plastics, textiles, fire doors, etc.
13. Propane (butane) ignition system, flame length 5 mm-60 mm can be adjusted freely
14. Gas: Nitrogen and oxygen for industrial use, purity > 99%; (User-provided).
15. Power requirements: AC220 (+10%) V, 50HZ
16. Maximum Usage Power: 50W
17. Igniter: A metal tube nozzle with an inner diameter of 2+1mm at the end can be inserted into the combustion cylinder to ignite the sample. The flame length is 16+4mm and the size can be adjusted.
18. Sample clamp of self-supporting material: It can fix on the axis position of combustion cylinder and clamp the sample vertically.
19. Non-self-supporting material sample clamp: It can fix two vertical edges of the sample on the frame at the same time.
Chassis and partial structure:
1. Control box: CNC machine tools are used for processing and forming, electrostatic spraying, beautiful, rust-proof and anticorrosive. The control part is separated from the test part.
2. Burning cylinder: high temperature resistant and high quality quartz glass tube (inner diameter 75 mm, length 300 mm) outlet inner diameter 40 mm
4. Mixer: Use glass bead filling to mix oxygen and nitrogen evenly. (Pearl 4.5mm filling height 95mm, one bag)
5. Sample fixture: self-supporting fixture, and can clamp the sample vertically; (optional non-self-supporting type of sample holder), two sets of sample holders meet different test requirements; Sample holder plug-in type, placement style and sample holder is simpler.
7. The standard is equipped with glass cylinder to prevent accidental damage and meet the needs of uninterrupted test. The diameter of the tube hole at the tail end of the long-rod igniter is 2+1 mm, and the flame length of the igniter is (5-50) mm, which can be adjusted arbitrarily.
