Building Materials And Products Combustion Calorific Value Tester For Determining The Calorific Value Of Building Materials

Scope of application
Test for determining the calorific value of building materials.
Including total combustion calorific value and net calorific value.
It is applicable in oxygen bomb calorimeters with constant heat capacity
Execution standard
It complies with the test standards of GB/T14402-2007 "Combustion Performance of Building Materials and Products - Determination of Combustion calorific Value" and ISO1716-2002 "Fire Reaction Test of Building Products - Determination of Combustion calorific Value".

Main technical parameters
Total calorific value of combustion: 30,000,000 J/Kg(30MJ/kg)
2. Repeatability error of combustion calorific value: dynamic ≤0.1%
3. Temperature measurement range: 0 to 50℃
4. Temperature measurement accuracy: 0.01k
5. Heat capacity accuracy: ≤0.1%
6. Heat capacity stability: ≤0.2%
7. Ignition voltage: 18v, adjustable current
8. Temperature resolution :0.0001℃, using PT100 sensor
9. Oxygen bomb volume: 300ml. The mass is 3.2 kilograms
10. Inner cylinder volume: 2200ml
11. The oxygenation pressure of the oxygen bomb is 0 to 3.5Mpa without any leakage.
12. Oxygen bomb pressure resistance: ≥21Mpa water pressure.
13. Stirring power: 3W.
14. Stirring speed for the inner cylinder: 375r/min.
15. Power supply: AC 185-245V.
16. Crucible (stainless steel).
17. One oxygen bomb.
18. One roll of ignition wire.
19. The crucible method and the cigarette method
20. It includes a set of device for preparing "cigarettes"
21. The temperature rise data and time automatically recorded by the system; The system can automatically perform temperature correction and calculate the total calorific value based on relevant data such as input heat capacity, sample mass and additional heat, and provide the results. The computer of the experimental device is equipped with icon display function, curve display, Excel data table, printing function, data input and command control function. To improve the system, the computer system can incorporate functions such as fault alarm and warning alarm.
22. Ignition circuit: It adopts a voltage of 12V and an adjustable current of 100mA. The ignition wire is an iron wire with a diameter of 0.1mm.
23. Thermal systems with absolute heat and isothermal calorimetry systems
24. The total calorific value and net calorific value can be directly read out without calculation
25. One set of computer and one printer.