Room Corner Tester
According to ISO9705 of building materials fire prevention performance standards, this machine control platform to provide independent gas analysis, including heat release rate and other related test required for related instruments, such as paramagnetic oxygen sensor, CO2/CO measuring instrument, He-Ni laser smoke density measurement and control system, etc.
Entity room fire test methods forsurfaceof the article use the same principle with the cone calorimeter and SBI testmethod thatis based on the oxygen consumption. The method is to simulate the corner of the fire scene as a standard testconditions, and installation of a test sample entirely according to actual use, the test results apply only to specific sample installation, it is one of the most reliable standard test methods. In the corner fire test, in accordance with the requirements of ISO9705. and the measured material mounted on the inner walls of the room (at the top is not installed), Using propane burners as a radiation source, the measurement of heat release rate, temperature, heat release, flashover time, CO2 /CO and other parameters, for which the most important is the heat release rate and the flashover time.
Standards
• ISO 9705: LargeBOXtest surface of the product
• ISO 13784-1: plywood building systems Reaction to fire test
• ASTM E 1537: Standard upholstered furniture flame test method
• ASTM E 603: Standard guidance corner combustion experiments
Main Features
1. The test room is built by the density of 700kg / m³-A1 class fireproof material.
2. The internal dimensions of the room 3.6M X 2.4M X 2.4M
3. The gate size: 0.8M (W) X2.0M (H)
4. Sandbox burner with propane gas and equipped with emergency shut-off devices.
5. Automatic ignition system to automatically record experimental data;
6. Independently movabletimetto display units.
7. 10kV spark ignition, a cease-fire with safety devices. Fire extinguishing drainage system design.
9. Equipped withstaircasefor easy maintenance exhaust pipes.
Gas sampling and analysis system
1. Gas sampling system includes an annular sampler probe, suction pump, particulate filter, a cold trap, exhaust valve, water filters and CO2 filter.
2. Three filters; Minimum filtration accuracy is 0.5um.
3. Freezing cold trap; air-conditioning compressor refrigeration systems; controlling the temperature in 0 ~ 5ºC.
4. Suction pump,Flowrate is 33L/min,vacuumis 700mmHg, and pressure is 2.5 bar.
5. Drying cylinder, whichfilterthe water and impurities.
6. The flow controller to control the inspiratoryair flow.
7. The sampler has 12 holes and gas flow in the opposite direction, these holds built-in dust filter and 685mm from hoods.
8. Paramagnetic oxygen analyzer, the range is 0-25%; linear response; imports Britain Servomex oxygen sensor.
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