描述

1. 数字氧指数测试仪 scope of application:

LR-3A digital oxygen index tester is suitable for the determination of the combustion performance of plastics, 橡皮, 纤维, foam plastics, film and textile materials

II. 主要技术参数

1. Using imported oxygen sensor, digital display oxygen concentration without calculation, more accurate and more accurate, 范围 0-100%
2. The built-in temperature controller to control the temperature, the control range: 23 ℃ ±2 ℃
3. 数字分辨率: 0.1%
4. 测量精度: 0.4 年级
5. Flow regulation range: 0-10l /min (60-600l /h)
6. 响应时间: < 5S
7. High temperature resistant quartz glass tube, inner diameter 75 ㎜ height 480 mm or more
8. Gas flow rate in combustion cylinder: 40mm ±2mm/s
9. Pressure gauge accuracy 2.5, 解决: 0.01兆帕
10. The flowmeter: 1-15 l/min (60-900 l/H) is adjustable, test environment: the environment temperature: 室温~ 40 ℃;, 相对湿度: 70%;
11. Input pressure: 0.2-0.3兆帕
12. Working pressure: nitrogen 0.1-0.15mpa oxygen 0.1-0.15mpa oxygen/nitrogen mixed gas inlet: including pressure regulator valve, flow control valve, gas filter and mixing chamber.
13. The sample holder can be used for soft and hard plastics, 纺织品, fire doors, ETC
14. Propane (butane) ignition system, flame length 5mm-60mm can be adjusted freely
15. 气体: nitrogen and oxygen for industrial use with purity of > 99%;(user supplied).
16. 电源要求: AC220 (±10%) V, 50赫兹
17. Maximum working power: 50瓦
18. Igniter: made of a metal, end diameter Φ 2 ±1 mm nozzle, can ignite sample in combustion tube, the flame length: 16 ±4 mm, the size is adjustable
19. Self-supporting material sample holder: it can be fixed in the position of the axis of combustion cylinder and can hold the sample vertically
20. Non-self-supporting material sample holder: two vertical edges of the sample can be fixed on the frame at the same time (optional for non-self-supporting materials such as textiles and films).

Ⅲ. Chassis and part of the structure:

1. 控制箱: CNC machine tool processing molding, electrostatic spraying, 美丽的, anti-rust and anti-corrosion.The control part is separately controlled from the test part
2. The combustion tube: high temperature resistant high quality quartz glass tube (inner ￠75 mm, 480 毫米) long export inner diameter: phi 40 毫米
3. Sample fixture: self-supporting fixture, and can hold the sample vertically;(optional non-self-supporting style frame), two sets of style clips meet different test requirements;Style clip plug type, style and style clip more simple
4. The end of a long pole igniter tube hole diameter ￠2 ±1 mm, igniter flame length (5 -) 50 mm can be arbitrary adjustable
5. design standard: 国标/T 2406.2-2009 国标/T 2406.1-2008

标准: 美国材料试验协会D 2863, 国际标准化组织 4589-2, NES 714 国标/T 5454 国标/T 10707 国标/T 8924-2005 国标/T 16581-1996 NB/SH/T 0815-2010 TB/T 2919-1998 国际电工委员会 61144-1992 国际标准化组织 15705-2002 国际标准化组织 4589-2-1996

Vi.digital oxygen index tester Packing list:

1. 1 主持人
2. One set of combustion cylinder
3. One igniter
4. 电源线一根
5. Nylon tube Ф 4 1.2 米 (column connection combustion with the host)
6. Several sealing rings
7. One set of tapered sample holder
8. One metal mesh (put into the combustion column)
9. One plastic air outlet plate
10. 2 rubber tubes
11. One M10 x 1 inner connector screw (connected to the inner combustion column)
12. One M10 x 1 connector nut (connecting to the main machine).
13. One copy of the instruction manual
14. One non-self-supporting sample holder (选修的)