Fully Automatic ASTM D2863 Building Material Limiting Oxygen Index
Tester
Introduction:
Fully Automatic ASTM D2863 Building Material Limiting Oxygen Index
Tester is designed to test combustibility by oxygen concentration,
letting user know minimum oxygen concentration as necessary for
combustion.
The working principle is: Place the specimen into the testing
chimney, filling with oxygen and nitrogen into the chimney, ignite
the specimen, then measure the min concentration of oxygen to
support continuous combustion.
International Standards:
ASTM D 2863, ISO 4589-2, NES 714
Specifications:
| Item Name | Fully Automatic ASTM D2863 Building Material Limiting Oxygen Index
Tester |
| Oxygen concentration measurement range | 0-100% |
| Resolution | 0.1% |
| Accuracy | +/-0.2% |
| Response time | <300ms |
| Oxygen stability time | <30s |
| Oxygen concentration sensor | England Servomex Paramagnetic type oxygen sensor, accuracy: +/-0.1% |
| Gas displacement | 50L/S |
| Size | 600(W)*310(D)*545(H)mm |
| Workbench size | 1500(W)*600(D)*800(H)mm |
| Weight | 30kg |
| Power supply | AC 220V, 50/60Hz, 5A |
Features:
1. Adopts England original Servomex Paramagnetic type oxygen
sensor, which accuracy can be up to +/-0.1%;
2. The sensor is better than traditional electrochemical sensor,
because it don't need to change oxygen battery, so, it has long
lift time more accurate and faster response time.
3. Equipped with 2pcs Mass Flow Controller(MFC) to control N2 and
O2 mixing ratio;
4. Equipped with high temperature quartz glass tank;
5. Equipped with supported and unsupported sample clamps;
6. Equipped with portable ignition device, gas tank connector,
accurate pin valve to adjust the flame;
7. Digital setting N2 and O2 concentration;
8. Computer+LABVIEW software to control N2 and O2 mixing ratio,
read O2 concentration in mixing chamber, and store&print out
test results;
9. Reserve a calibration port to calibrate the sensor;
10. Stainless steel air channel design, equipped with one way
fire-resistance valve, magnetic valve, fine filter, so, it is
stable and safe;
11. Patented design gas mixing chamber, which ensure the gases can
mix the gases in short time, data is more accurate;
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