　　符合標(biāo)準(zhǔn)：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、氧指數(shù)測(cè)定儀主要技術(shù)參數(shù)：

1.采用進(jìn)口氧傳感器，數(shù)字顯示氧氣濃度無需計(jì)算，精度更高更準(zhǔn)確，范圍0—100%

2.數(shù)字分辨率：±0.1%

3.測(cè)量精度：0.4級(jí)

4.流量調(diào)節(jié)范圍：0-10L/min（60-600L/h）

5.響應(yīng)時(shí)間：＜5S

6.燃燒筒：內(nèi)徑≥75㎜高400mm

7.燃燒筒內(nèi)氣體流速：40mm±10mm/s

8.壓力表精度2.5級(jí)，分辨率：0.01MPa

9.流量計(jì)：1-15L/min（60-900L/H）可調(diào)，試驗(yàn)環(huán)境：環(huán)境溫度：室溫～40℃；，相對(duì)濕度：≤70%；

10.輸入壓力：0.2-0.3MPa

11.工作壓力：氮?dú)?/span>0.1-0.15Mpa 氧氣0.1-0.15Mpa氧氣/氮?dú)饣旌蠚怏w入口：包括穩(wěn)壓閥，流量調(diào)節(jié)閥，氣體過濾器和混合室。

12.試樣夾可用于軟質(zhì)和硬質(zhì)塑料、紡織品、防火門等

13.丙烷（丁烷）點(diǎn)火系統(tǒng)，火焰長(zhǎng)度5mm-60mm可自由調(diào)節(jié)

14.氣體：工業(yè)用氮?dú)?、氧氣，純度?9%；（用戶自備）。

15.電源要求：AC220（+10% ）V、50HZ

16.最大使用功率：50W

17.點(diǎn)火器：有一根金屬管制成、尾端有內(nèi)徑Φ2±1mm 的噴嘴，能插入燃燒筒內(nèi)點(diǎn)燃試樣，火焰長(zhǎng)度： 16±4mm ，大小可調(diào)

18.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

19.非自撐材料試樣夾：能將試樣的兩個(gè)垂直邊同時(shí)固定在框架上

四、氧指數(shù)測(cè)定儀機(jī)箱及部分結(jié)構(gòu)：

1. 控制箱：采用數(shù)控機(jī)床加工成型，靜電噴涂，美觀、防銹防腐?？刂撇糠峙c試驗(yàn)部分分開控制

2. 燃燒筒：耐高溫優(yōu)質(zhì)石英玻璃管（內(nèi)徑￠75mm，長(zhǎng)300mm）出口內(nèi)徑：φ40mm

4. 混合器：采用玻璃珠填充形式，將氧氣和氮?dú)饩鶆蚧旌?。（珠?.5mm填充高度95mm，一袋）

5. 試樣夾具：自撐式夾具，并能豎直地夾住試樣；（可選配非自撐式式樣架），兩套式樣夾滿足不同試驗(yàn)要求；式樣夾插接式，安放式樣與式樣夾更簡(jiǎn)易

7.標(biāo)配備用玻璃筒，防止意外損毀，滿足不間斷試驗(yàn)需求；長(zhǎng)桿點(diǎn)火器尾端管孔直徑￠2±1mm,點(diǎn)火器火焰長(zhǎng)度（5-50）mm可任意調(diào)

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 0-100%.

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.

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