High Precision Combustion Value Tester for Building Materials

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The building material combustion calorific value determination device meets the technical specifications and requirements stipulated in GB/T14402-2007 and is suitable for testing the combustion calorific value of building materials. This instrument is a testing apparatus for determining the combustion calorific value of building materials and products such as metal, stone, wood, concrete, uniformly dispersed mineral wool, and polymers.
Under standard conditions, a specific mass of the sample is placed in a constant-volume oxygen bomb calorimeter. Based on the measured temperature rise and considering all heat losses and latent heat of vaporization, the combustion calorific value of the sample is calculated.
Main features of the building material combustion calorific value determination instrument:
1. Measurement principle: Oxygen bomb calorimetry; Measurement method: Isothermal;
2. The equipment is a new type of analytical instrument developed based on previous products;
3. Utilizes a single-chip microcomputer, large-screen LCD display, and a fully Chinese operating interface;
4. Features high measurement accuracy, compact size, convenient operation, automatic ignition, automatic water filling, water discharge, stirring, calculation, and printing;
5. Used to determine gross calorific value and net calorific value, evaluating the potential fire load of building products.
Specifications
Power supply voltage: AC220V±10%  50Hz;
Maximum power consumption: 0.5KW;
Ambient temperature: (10～35)℃, humidity ≤80%;
Instrument heat capacity: approximately 10000J/K;
Heat capacity repeatability error: ≤0.2%;
Temperature measurement range: (4.5-42)℃;
Temperature resolution: 0.0001;
Oxygen bomb volume: 300ml;
Inner chamber volume: 2000ml;
Oxygen bomb sealing: Oxygen filling pressure 2.5～3.5MPa, no leakage;
Oxygen bomb pressure resistance: 20MPa water pressure;
Stirring power: 3W;