一  產品介紹:
氧指數測定儀用于評定聚合物在規定試驗條件下的燃燒性能,也就是測定聚合物剛好維持燃燒的最低氧的體積百分比濃度;適用于塑料、橡膠、纖維、泡沫塑料、軟片和塑料薄膜等原材料的燃燒性能的測定。
二  氧指數測定儀符合標準
 符合GB2406-93規定的技術
三   氧指數測定儀主要技術參數:
1、氣體流量控制精度:≤+15%
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WJHC-5自動氧指數測定儀
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WJHC-5自動氧指數測定儀 
產品詳情

WJHC-5型智能化全自動觸摸屏控制氧指數測定儀

一、WJHC-5型智能化全自動觸摸屏控制氧指數測定儀產品優勢:

1.全彩觸摸屏控制,只需在觸屏上設定氧濃度值,程序便會自動調節到氧濃度平衡并發出嘀的聲音提示,免去了人工調節氧濃度的麻煩;

2.采用步進比例閥大大提高了流量的控制精度,采用閉環控制,測試當中氧濃度漂移程序自動調節回到目標值,避免了傳統氧指數測定儀不能在測試當中調節氧濃度的弊端,大大提高了測試精度。

二、設計標準:

GB/T 2406.2-2009   GB/T 2406.1-2008    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 4589-2-2017

三、WJHC-5型智能化全自動觸摸屏控制氧指數測定儀主要技術參數

1.采用進口氧傳感器,數字顯示氧氣濃度無需計算,精度更高更準確,范圍0— 100%   

2.數字分辨率:±0.1%

3.測量精度:0.1級

4.觸摸屏設置程序自動調節氧濃度

5.一鍵校準精度

6.一鍵配比濃度

7.氧濃度穩定自動提示報警聲

8.帶有計時功能

9.可存儲實驗數據

10.可查詢歷史數據

11.可清除歷史數據

12.可選擇是否燃燒50mm

13.氣源故障提示

14.氧傳感器故障提示

15.氧氣氮氣錯接提示

16.氧傳感器老化提示

17.標準氧濃度輸入

18.可設定燃燒筒直徑(兩種常用規格可選)

19.流量調節范圍:0-20L/min(0-1200L/h)

20.石英玻璃筒:兩種規格任選其一(內徑≥75㎜ 或內徑≥85㎜)

21.燃燒筒內氣體流速:40mm±2mm/s   

22.整機外形尺寸: 650mm×400×830mm

23.壓力表精度2.5級,分辨率:0.01MPa

24.試驗環境:環境溫度:室溫~40℃;, 相對濕度:≤70%;

25.輸入壓力:0.25-0.3MPa

26.工作壓力:氮氣0.15-0.20Mpa   氧氣0.15-0.20Mpa

27.試樣夾可用于軟質和硬質塑料、各類建筑材料、紡織品、防火門等   

28.丙烷(丁烷)點火系統,點火嘴為一根金屬管制成,尾端有內徑Φ2±1mm 的噴嘴,可自由彎曲。能插入燃燒筒內點燃試樣,火焰長度: 16±4mm , 大小5mm-60mm可自由調節,

29.氣體:工業用氮氣、氧氣,純度>99%;(用戶自備/正規氣站工業氧氣純度一般為99.2%-99.3%之間)。

30.電源要求:AC220(+10% )V、50HZ

31.最大使用功率:150W

32.自撐材料試樣夾:能固定在燃燒筒軸心位置上、并能垂直夾住試樣

33.非自撐材料試樣夾:能將試樣的兩個垂直邊同時固定在框架上( 選配/應用于紡織品等柔軟不可自撐材料)


四、配置

Tips:氧指數測定儀試驗時需用不小于98%的工業級氧氣/氮氣各一瓶作為氣源,由于以上氣體為高危運輸品,無法作為氧指數測定儀的配件提供,只能在用戶當地氣站購買。(為保證氣體的純度請在當地正規氣站進行購買)

以下為部分觸摸屏控制界面:


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WJHC-5 Intelligent Automatic Touch Screen Controlled Oxygen Index Measuring Instrument

I. The advantages of WJHC-5 intelligent full-automatic touch screen controlled oxygen index tester:

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

2. The Stepping Proportional Valve greatly improves the accuracy of flow control. Closed-loop control is used to automatically adjust the oxygen concentration drift program back to the target value in the test, which avoids the disadvantage that the traditional oxygen index measuring instrument can not adjust the oxygen concentration in the test, and greatly improves the test accuracy.

2. Design criteria:

GB/T 2406.2-2009 GB/T 2406.1-2008 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 4589-2-2017

3. Main Technical Parameters of WJHC-5 Intelligent Automatic Touch Screen Controlled Oxygen Index Measuring Instrument

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: 0.1 level

4. Touch screen setup program automatically adjusts oxygen concentration

5. One-button Calibration Accuracy

6. One Bond Ratio Concentration

7. Auto-alarm sound of oxygen concentration stabilization

8. Timing function

9. Storage of experimental data

10. Retrievable historical data

11. Removable historical data

12. You can choose whether to burn 50mm or not.

13. Gas Source Fault Tips

14. Troubleshooting of Oxygen Sensor

15. Oxygen and Nitrogen Misconnection Tips

16. Aging Tips of Oxygen Sensors

17. Standard oxygen concentration input

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

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

20. Quartz glass cylinder: one of two specifications (inner diameter (> 75) or inner diameter (> 85)

21. Gas flow rate in combustion cylinder: 40 mm (+2 mm/s)

22. Size of the whole machine: 650mm *400 *830mm

23. Pressure gauge accuracy 2.5, resolution: 0.01MPa

24. Test environment: ambient temperature: room temperature - 40 C; relative humidity: < 70%;

25. Input pressure: 0.25-0.3 MPa

26. Working Pressure: Nitrogen 0.15-0.20 Mpa Oxygen 0.15-0.20 Mpa

27. Sample clips can be used for soft and hard plastics, various building materials, textiles, fire doors, etc.

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

29. Gas: Nitrogen and oxygen for industrial use, purity > 99%; (The purity of industrial oxygen for user-owned/regular gas stations is generally between 99.2% and 99.3%.

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

31. Maximum Usage Power: 150W

32. Sample clamp of self-supporting material: It can fix on the axis position of combustion cylinder and clamp the sample vertically.

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

IV. Configuration

Tips: When testing the oxygen index meter, one bottle of industrial grade oxygen/nitrogen should be used as the gas source. Because the above gas is a high-risk transport product, it can not be used as the parts of the oxygen index meter. It 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 touch screen control interface:


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