Introduction:
TESTECH Limited Oxyen Index Tester for the determination under the test conditions specified in oxygen and nitrogen gas mixture just to maintain a minimum sample combustion oxygen concentration required. This tester equipped with the imported oxygen concentration sensor, to make sure the measurement accuracy and durability. For the assessment of the performance of a homogeneous combustion of solid materials, laminates, foams, films and films under specified conditions.
Standards:
ASTM D 2863, ISO 4589
Main features:                       
1, The oxygen concentration measurement range: 0~100%;
2, The oxygen concentration in accuracy of ± 0.1%
3, N₂ mass flow controller range:1.0~15.0L/min;Accuracy:2%
4, O₂ mass flow controller range:1.0~15.0L/min;Accuracy:2%
5. Oxygen sensor response time: <10s;
6.The gas flow rate in combustion tube is 40mm / s ± 2mm /s;
7, The gas flow rate in top of the combustion tube is 90mm ± 10mm/s;
8.The portable ignition flame can be adjusted.
9.The measurement time is 5mins, and the accuracy is ± 0.5s.10.Pressure meter accuracy is ± 1%;
11, Burning tube inner diameter:   80mm
12.Burning tube height: 500mm
13.Working pressure:0.1Mpa;
Main Features:
1.Equipped with a high temperature quartz glass tube, the outlet inner diameter is 40mm;
2.The rotor flowmeter regulates the flow of oxygen and nitrogen gas.
3.The gas flow mixing control unit is equipped with N₂ and O₂ mass flow controller to control the gas flow accurately.
4.Equipped with special ignition; portable and easy to operate
Control System:
1.The system automatically adjusts the oxygen concentration after the value is set;
2.The key electrical components are imported which are accurate, reliable and durable;
3.With a safety protection circuit;