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High accurate limited oxygen index tester with stainless steel gas path
The critical oxygen tester can test the minimum concentration of oxygen required for the combustion of the sample. Oxygen index is a very important reference value to measure the flame retardant properties of materials. The oxygen index refers to the size of the material (specimen) loading test device, under specified conditions, the mixed gas into oxygen and nitrogen, the specimen is ignited by the igniter, the determination of minimum oxygen concentration must maintain continuous combustion (expressed as percentage). The test instrument for the import of paramagnetic oxygen concentration sensor, accurate measurement, long life, low error rate, high reliability.
D ASTM 2863, 4589-2 NES, ISO 714
1, oxygen concentration measurement range: 100% - 0
2, resolution: 0.1%
3, accuracy: + 0.2%
4, response time: <300ms
5, oxygen concentration stable time: <6s
1 UK Servomex paramagnetic oxygen sensor, oxygen concentration display accuracy is + 0.1%, compared with the traditional electrochemical oxygen sensor, without limitation of service life (electrochemical oxygen sensor need to replace the battery, oxygen often) of higher accuracy, faster response time
2 equipped with 2 mass flow controller (MFC), the control of nitrogen and oxygen mixture ratio, control precision and convenient.
3 automatically realize the concentration control of closed epoxy, precise control of oxygen concentration in the combustion barrel.
4 equipped with high temperature resistant quartz glass tube.
5 equipped with support and no support test specimens
6 portable tank equipped with ignition, quick connector, precise needle connected to the size of the flame.
7 the number of nitrogen, oxygen concentration, no need to repeatedly adjust the human.
8 desktop computer + professional control software, to achieve the entire test process to guide, and store the output test results.
9 the calibration interface is set aside to facilitate the calibration and measurement of the sensor.
10 stainless steel gas path design, equipped with one-way fire valve, solenoid valve, precision filter, more safe and reliable.
11 patented design of the gas mixing chamber, can ensure that the gas in a short time to fully mixed, the data is more accurate.
Size 600 (W) * 310 (D) * 545 (H) mm
Power 220V 50/60Hz, AC, 0.5A
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