Main performance parameters:
1. Radiation cone: heating power: 5Kv, radiation intensity: 100Kw/m2, equipped with three thermocouples to measure temperature.
2. Exhaust system: It is composed of centrifugal fan, smoke hood, air intake and exhaust pipes of the fan and orifice plate flowmeter
The maximum amount of sample box is 100mm*100mm*50mm.
3. Exhaust volume: 0.012m3/s~0.035m3/s (adjustable)
4. Timing value resolution: 1s error<1s/n
5. Oxygen analyzer: measuring range: 0-25%
6. Equipped with sampling pump and smoke filter.
7. The gas flow adopts imported high-quality flow controller
8. Ignition voltage: 220V, double electrode, to ensure the safety of the test.
9. Smoke exhaust flow: The smoke exhaust fan adopts frequency conversion control, which can realize automatic adjustment of the smoke flow rate at 0.012m3/s~0.035 m3/s.
10. Control system: Detection control program and ZWH4500 acquisition control card are used to realize automatic data acquisition and processing, data storage and output measurement results.
11. The equipment is controlled in two ways: manual and automatic, and can be switched to manual mode for operation.
12. The equipment is equipped with swivel casters, which is convenient for users to move equipment.
13. Exhaust system: the frequency conversion fan is used to control the exhaust flow, and the automatic control is realized through the microcomputer; The integrated orifice flowmeter measures the exhaust flow rate, so that the exhaust flow rate is highly accurate.
14. Weighing device: using high-precision load cell, fast response time, weighing accuracy of 0.1g, resolution of 0.01g
15. Inlet diaphragm pump, flow rate: 33L/min, vacuum: 700 mmHg, pressure: 2.5 bar.
16. The filter head of the imported smoke filter is composed of solid PTFE, and the inside is 0.5um PTFE filter material.
17. The filter head of the imported moisture filter is composed of solid PTFE, and the bottom liquid can be discharged through the peristaltic pump.
18. Imported Taikang compressor condenser, cooling capacity 320kJ/h, dew point stability 0.1 degrees, dew point static change 0.1K, protection grade IP20.
19. Instrument control system: the computer measurement and control system using computer control and data processing is mainly composed of measurement and control software, hardware, computer, printer, etc.
20. Measurement control software: it can work under a variety of operating systems of Windows, and the test data adopts the database management mode to complete the data acquisition and processing of the experiment, save the data and output the measurement results and automatically save all the test data;
21. Provide a variety of report printing interfaces, users can edit reports in any format as needed, and print out;
22. The software package also contains other tool software, such as debugging toolbox, batch processing program, etc.;
23. The filter head of the imported moisture filter is composed of solid PTFE, and the bottom liquid
The scope of use:
The oxygen consumption calculated by the oxygen concentration in the gas flow of the combustion product and the heat release rate of the combustion product during combustion, the heat release rate of the material is also the most important parameter in the combustion performance of the material, and the heat release rate in the combustion process of the material is extremely important for predicting the fire hazard and flame retardant prevention treatment.
Equipment standards:
It conforms to the test methods specified in GB/T16172-2007 "Test method for heat release rate of building materials" and ISO5660-1:2002 "Test method for heat release rate of building materials".
Working conditions:
1. Working environment temperature: 0°C-50°C
2. Working environment humidity: <80%
3. Power supply: 380V±50%, 50Hz±2%
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