| Customization: | Available |
|---|---|
| After-sales Service: | Life Time |
| Warranty: | One Year |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
The oxygen index tester is a specialized test equipment to determine the of combustion performance of plastics, rubber, fiber, foam plastics, film, film, textile, wood and other materials.
1. Adopting fully automated control mode, as long as the critical oxygen index value is input on the touch screen interface, the instrument automatically adjusts and controls the oxygen and nitrogen output ratio to achieve the set value of oxygen index;
2. Oxygen and nitrogen flow control: using mass flow meters for automatic adjustment and control;
3. Oxygen index measurement: using automatic proportioning measurement, it can accurately check the percentage of oxygen content in the ventilation pipeline;
4. Adopting color LCD touch screen setting and PLC automatic control;
5. Can display real-time parameters such as traffic, time, and experimental results;
6. Gas mixing control system: using a mixing cylinder, a steady flow device, an automatic gas path adjustment system, and a gas temperature control system to ensure more accurate and stable oxygen concentration measurement, and more thorough mixing of oxygen and nitrogen;
7. Gas temperature control: using cold trap refrigeration and temperature controller to ensure that the gas temperature is within 23 ° C ± 2 ° C; 2.8 The program adopts a foolproof operation and user-friendly design, with a high degree of intelligence;
8. The appearance design is high-end and exquisite, with a linear and curved structure that is beautiful and elegant;
9. Equipped with a dedicated igniter; Portable igniter is easy to operate;
Chinese standards:
GB/T554-1997 "Determination of Burning Behavior of Textiles - Oxygen Index Determination Method"
GB/T2406.2-2009 "Test method for combustion performance of plastics - Oxygen index method"
GB/T 10707-2008 "Determination of rubber combustion performance - Oxygen index method"
GB/T 8924-2005 "Test method for combustion performance of fiber-reinforced plastics - Oxygen index method"
Japanese standard: K72021-2-2007
British Standard: BS2782
American standard: ANSI/ASTM D2863-2000
National standard: ISO4589:2017
1. Oxygen concentration (oxygen index): 0~100%/O2, for digital direct reading, resolution: 0.1%;
2. Oxygen concentration (oxygen index) measurement: Enter the critical oxygen index value on the touch screen interface, and the instrument will automatically adjust and control the oxygen and nitrogen output ratio to achieve the set value of oxygen index. Response time:<2s;
3. Adjustment method: Adopting PLC+touch screen+mass flow meter automatic adjustment;
4. Range of nitrogen mass flow controller: 1.0-15.0L/min; Accuracy of 2%;
5. Oxygen mass flow controller range: 1.0-15.0L/min; Accuracy of 2%;
6. Pressure gauge: Provide oxygen output pressure and nitrogen output pressure respectively;
7. Measurement accuracy: 1.0 level;
8. Combustion cylinder: Quartz glass cylinder, inner diameter: 75mm, height: 450mm;
9. Gas flow velocity at the top of the combustion cylinder: 90mm ± 10mm/s;
10. Gas flow velocity inside the combustion cylinder: 40mm ± 2mm/s;
11. The temperature of the mixed gas inside the combustion cylinder is 23 ° C ± 2 ° C, controlled by a temperature controller;
12. Oxygen concentration accuracy: The oxygen concentration (volume fraction) of the mixed gas entering the combustion cylinder has an accuracy of ± 0.5%. When the airflow passing through the combustion cylinder at 23 ° C ± 2 ° C is 40mm/s ± 2mm/s, the accuracy of adjusting the concentration is ± 0.5%;
13. Input pressure: adjustable from 0.25 to 0.5 Mpa, with an accuracy of ± 1%;
14. Timer accuracy: ± 0.1/s/h;
15. Igniter: Special propane handheld electronic firearm. Using copper pipes with a diameter of 2.0mm, the flame can be adjusted to spray 16mm ± 4mm vertically downwards from the outlet, with an adjustable range of 10mm~30mm;
16. The overall response time of the equipment is less than 10 seconds (the overall response time of the equipment includes the entire process from setting the oxygen concentration, adjusting the flow rate through the mass flow controller, fully mixing through the mixing tank, and then discharging from the combustion cylinder);
17. Glass beads: diameter 4.5mm, filling height 95mm;
18. Sample clamp: one set of hard self-supporting material and one set of soft material clamps;
19. Gas source: oxygen and nitrogen with a purity of over 98% (to be provided by the purchaser): equipped with gas cylinder cabinets, smoke pipes, gas pipes, etc. required for the gas source (oxygen, nitrogen);
20. Power requirements: AC220 (± 10%) V/50HZ;
21. Experimental oxygen index dimensions: L630 * W350 * H655 (unit: mm), equipped with a ventilated kitchen for ventilation and smoke exhaust after the test is completed;
1. Adopting touch screen+PLC automatic control program;
2. The flow regulation of oxygen and nitrogen adopts a mass flow meter, which outputs a 4-20mA current signal and automatically controls the flow rate through a PLC program;
3. All electrical components are sourced from well-known domestic and international brands;
4. Equipped with safety protection circuit.
1. The instrument structure is designed reasonably and easy to operate, use, and maintain. The testing system uses imported oxygen sensors and displays the results digitally. It has the advantages of accurate judgment and good reproducibility, making it an ideal testing equipment for scientific research and production quality control.
2. Control box: processed by CNC machine tools, with a beautiful and elegant circular arc shape High quality baking paint material, beautiful, rust proof and anti-corrosion.
3. Combustion cylinder: composed of a high-temperature resistant high-quality glass tube vertically fixed on the base and introduced with oxygen-containing mixed gas, with dimensions of inner diameter ¢ 75mm, length 450mm, and outlet inner diameter of φ 40mm.
4. Mixer: Installed on the base at the bottom of the combustion cylinder to evenly distribute the incoming mixed gas, it is filled with high-temperature high-quality glass beads to evenly mix oxygen and nitrogen. (Bead diameter 4.5mm, filling height 95mm)
5. Sample clamp: used to vertically support the sample in the center of the combustion cylinder. Can be used for both soft and hard plastics. Self supporting fixture, capable of vertically clamping the specimen. The fixture and support frame are smooth, minimizing interference to the ascending airflow.
1. Environmental temperature: -10 ºC~45 ºC.
2. Relative humidity:<85%.
3. Voltage and power: 220V, 50HZ, 100W.
4. Gas used: GB3863 Industrial Gaseous Oxygen; GB3864 Gaseous nitrogen for industrial use; Both bottles of gas require pressure regulating valves
5. Work pressure: 0.2Mpa.
){kind=link}