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WJHC-5自动氧指数测定仪
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WJHC-5自动氧指数测定仪 
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WJHC-5型智能化全自动触摸屏控制氧指数测定仪

一、WJHC-5型智能化全自动触摸屏控制氧指数测定仪产品优势:

1.全彩触摸屏控制,只需在触屏上设定氧浓度值,程序便会自动调节到氧浓度平衡并发出嘀的声音提示,免去了人工调节氧浓度的麻烦;

2.采用步进比例阀大大提高了流量的控制精度,采用闭环控制,测试当中氧浓度漂移程序自动调节回到目标值,避免了传统氧指数测定仪不能在测试当中调节氧浓度的弊端,大大提高了测试精度。

二、WJHC-5型智能化全自动触摸屏控制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— 100%  

2.数字分辨率:±0.1%

3.测量精度:0.1级

4.触摸屏设置程序自动调节氧浓度

5.一键校准精度

6.一键配比浓度

7.氧浓度稳定自动提示报警声

8.带有计时功能

9.可存储实验数据

10.可查询历史数据

11.可清除历史数据

12.可选择是否燃烧50mm

13.气源故障提示

14.氧传感器故障提示

15.氧气氮气错接提示

16.氧传感器老化提示

17.标准氧浓度输入

18.可设定燃烧筒直径(两种常用规格可选)

19.流量调节范围:0-20L/min(0-1200L/h)

20.石英玻璃筒:两种规格任选其一(内径≥75㎜ 或内径≥85㎜)

21.燃烧筒内气体流速:40mm±2mm/s  

22.整机外形尺寸: 650mm×400×830mm

23.压力表精度2.5级,分辨率:0.01MPa

24.试验环境:环境温度:室温~40℃;, 相对湿度:≤70%;

25.输入压力:0.25-0.3MPa

26.工作压力:氮气0.15-0.20Mpa   氧气0.15-0.20Mpa

27.试样夹可用于软质和硬质塑料、各类建筑材料、纺织品、防火门等  

28.丙烷(丁烷)点火系统,点火嘴为一根金属管制成,尾端有内径Φ2±1mm 的喷嘴,可自由弯曲。能插入燃烧筒内点燃试样,火焰长度: 16±4mm , 大小5mm-60mm可自由调节,

29.气体:工业用氮气、氧气,纯度>99%;(用户自备/正规气站工业氧气纯度一般为99.2%-99.3%之间)。

30.电源要求:AC220(+10% )V、50HZ

31.最大使用功率:150W

32.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

33.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( 选配/应用于纺织品等柔软不可自撑材料)


三、设计标准:GB/T 2406.2-2009

Tips:氧指数测定仪试验时需用不小于98%的工业级氧气/氮气各一瓶作为气源,由于以上气体为高危运输品,无法作为氧指数测定仪的配件提供,只能在用户当地气站购买。(为保证气体的纯度请在当地正规气站进行购买)

以下为部分触摸屏控制界面:


QQ图片20181023182440.pngQQ图片20181023182503.pngQQ图片20181023182524.png

WJHC-5 intelligent automatic touch screen control oxygen index measuring instrument

First, WJHC-5 intelligent automatic touch screen control oxygen index analyzer product advantage:

1. Full-color touch screen control, just set the oxygen concentration on the touch screen, the program will automatically adjust to the oxygen concentration balance and issue a sound prompt, eliminating the trouble of manual adjustment of oxygen concentration;

2. The Stepping Proportional Valve greatly improves the control precision of the flow rate. The closed-loop control is adopted. The oxygen concentration drift program is automatically adjusted back to the target value in the test, which avoids the drawback that the traditional oxygen index meter can not adjust the oxygen concentration in the test and greatly improves the test precision.

Two, WJHC-5 intelligent automatic touch screen control oxygen index instrument 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 0-100%.

2. digital resolution: + 0.1%

3. measurement accuracy: level 0.1.

4. touch screen setup program automatically adjusts oxygen concentration.

5. one button calibration accuracy

6. one click concentration

7. stable oxygen concentration automatically prompting alarm.

8. with timing function

9. can store experimental data.

10. you can query historical data.

11., clear historical data.

12. you can choose whether to burn 50mm.

13. gas source fault indication

14. oxygen sensor fault indication

15. oxygen nitrogen fault indication

16. oxygen sensor aging tips

17. standard oxygen concentration input

18. the diameter of the combustion chamber can be set (two commonly used specifications are optional).

19. flow regulation range: 0-20L/min (0-1200L/h)

20. quartz glass canister: one of the two specifications is optional, with an inner diameter of 75 or more than 85 mm inside diameter.

21. gas flow rate in combustion chamber: 40mm + 2mm/s

22. the overall size of the machine is 650mm * 400 * 830mm

23. pressure gauge accuracy 2.5, resolution: 0.01MPa

24. test environment: ambient temperature: room temperature to 40 degrees centigrade; relative humidity: less than 70%;

25. input pressure: 0.25-0.3MPa

26. working pressure: nitrogen 0.15-0.20Mpa oxygen 0.15-0.20Mpa

27. the sample clip can be used for soft and hard plastics, all kinds of building materials, textiles, fire doors, etc.

28. Propane (butane) ignition system, the ignition nozzle is made of a metal tube, the tail has a diameter of 2 (+ 1 mm) nozzle, free bending. It can be inserted into the combustion tube to ignite the sample. The flame length is 16 + 4mm, and the size 5mm-60mm can be adjusted freely.

29. Gas: nitrogen and oxygen for industrial use, purity > 99%; (user-owned/regular gas station industrial oxygen purity is generally 99.2% - 99.3%).

30. power requirements: AC220 (+10%) V, 50HZ

31. maximum power usage: 150W

32. self supporting material sample clip: it can be fixed on the axis of the combustion tube and can clamp the sample vertically.

33. Non-self-supporting material clamp: can fix two vertical edges of the specimen on the frame at the same time (select/apply to soft non-self-supporting materials such as textiles)

Three, design standard: GB/T 2406.2-2009

Tips: Each bottle of industrial grade oxygen/nitrogen not less than 98% should be used as the gas source for the test of the Oxygen Index Detector. Because the above gases are high-risk transport goods, they can not be supplied as accessories for the Oxygen Index Detector, and can only be purchased at the local gas station of the user. (to ensure the purity of the gas, please purchase it at the local regular gas station).

The following is part of the touchscreen control interface: