Oxygen Bomb Calorimeter
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The characterization of material combustion calorific value is an important parameter to assess the fire risk of building materials, which provides key data for calculating the heat release and fire load of materials. The test instrument is the necessary equipment for the classification of ISO 1716-2002; the combustion calorific test device is developed according to the requirements of ISO 1716-2002 standard. The combustion calorific value of building materials is measured in a bomb calorimeter with a constant heat capacity.
The bomb calorimeter is the most common device for measuring the heat of combustion or calorific value of a material. With this apparatus a test specimen of specified mass is burned under standardised conditions. The heat of combustion determined under these conditions is calculated on the basis of the observed temperature rise while taking account of heat loss. The combustion process is initiated inside an atmosphere of oxygen in a constant volume container, the bomb, which is a vessel built to withstand high pressures. It is immersed in a stirred water bath, and the whole device is the calorimeter vessel. The calorimeter vessel is also immersed in an outer water bath. The water temperature in the calorimeter vessel and that of the outer bath are both monitored.
Application:
The Oxygen Bomb Calorimeter can be used to measure the heat generated from several applications and has been designed to conform to current ASTM, ISO, EN, BS and DIN international standards. The calorific value of the following groups of materials can be measured:
Building materials (e.g. EN ISO 1716)
Coal, coke (e.g. ASTM D5865)
Fuel (gasoline, kerosene, fuel oil, Nos. 1-D and 2-D diesel fuel and Nos. 0-GT, 1-GT, and 2-GT gas turbines fuels), (e.g. ASTM D240-92)
Hydrocarbon fuels (e.g. ASTM D4809-90)
Food, supplements, crops
Waste and refuse
Combustible materials, etc.
Standard:
GB/T213-2008 "Coal calorific value determination method"
ASTM D5865-13 - Determination of Calorific Value of Coal and Coke
GB/T384-1981 "Determination of calorific value of Petroleum products"
GB/T30727-2014 "Determination of calorific value of solid biomass fuel"
ISO 1928:2009 Determination of calorific value of solid fossil Fuels
ISO 1716-2002 ;
ASTM D240-92 ;
ASTM D4809-90 ;
Features:
1. The ISO 1716 Flammability Testing Equipment with Good Price including calorimeter apparatus, high-pressure oxygen bomb, cold water installations, computer, and control system (which can record and display the curve), LCD screen and software; Crucible made of stainless steel;
2. Box paint treatment; all internal parts are made of stainless steel, corrosion-resistant, easy to clean;
3. Ignition wire break is detection and automatic ignition.
4. The test procedure automatically turns off.
5. Test abnormalities has a sound alarm.
6. Computer control system:
7. Control box with USB / RS232 serial port with an external brand desktop or laptop operating control; High degree of automation, test procedure safe and reliable, easy to operate;
Parameters:
|
Powersupplyvoltage |
AC220V±10%50Hz |
|
Bombcapacity |
(300±50)ml |
|
Oxygenbombpressurerange |
0.5~3.5MPa,noleakage.Thebombpressure21Mpa |
|
AccuracyofTimer |
0.5s |
|
Maximumpower |
0.5KW |
|
Ambienttemperature |
(10~35)ºC |
|
Ambienthumidity |
≤80%RH |
|
Heatcapacityoftheinstrument |
about10000J/K |
|
Heatrepeatabilityerror |
≤0.2% |
|
Temperaturerange |
(4.5-50)ºC |
|
Temperaturedetection |
0.0001ºCresolution,usingthePT100sensor |
|
Innercylindervolume |
2000ml |
|
Motorpower |
3W |
|
stirringspeed |
theinnertube(375r/min) |
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