TESTech Instrument (Suzhou) Technologies is one of the leading manufacturers and suppliers of heat of combustion tester for building material in China. Welcome to wholesale premium test equipment at competitive price from our factory. If you have any enquiry about quotation, please feel free to email us.
Product Overview
This heat of combustion tester for building materials is developed according to the requirements of GB/T 14402.
A specimen of building material product with a certain mass is placed into a constant-volume oxygen bomb calorimeter to determine the gross heat of combustion of the material.
It is suitable for testing the heat of combustion of building materials.
Equipment Features
- Mainly includes calorimeter unit, high-pressure oxygen bomb, cooling water device, microcomputer measurement and control system with curve recording and display, LCD screen, and software.
- Crucible is made of stainless steel.
- Cabinet has painted finish; all internal components are made of stainless steel, corrosion-resistant and easy to clean.
- Automatic detection of ignition wire breakage and automatic ignition.
- Automatic flameout during the test process.
- Imported high-precision PT100 temperature sensor and 16-bit PLC temperature module ensure reliable and accurate measurement data.
- Audible alarm for abnormal test conditions.
- Adopts an isothermal calorimetry system with compressor refrigeration device to automatically regulate constant water temperature.
- Computer control system supports parameter setting and display, test status and fault display and query.
- Temperature data is automatically collected and saved, with real-time temperature curve display.
- Historical curves and data can be queried; data can be exported by USB and printed.
- Control cabinet is equipped with USB/RS232 ports and can be operated with an external desktop or laptop computer prepared by the user.
- High degree of automation, safe and reliable testing process, and convenient operation.
Specifications
|
Parameter |
Value |
|
Calorimeter Bomb Capacity |
(300 +/- 50) mL |
|
Oxygen Bomb Pressure Range |
0.5 to 3.5 MPa, leak-free; pressure resistance 21 MPa |
|
Crucible |
Diameter 25 mm, height 14 to 19 mm, wall thickness 1 mm, stainless steel |
|
Stirring Power |
3 W |
|
Stirring Speed |
Inner cylinder 375 r/min |
|
Timer Accuracy |
0.5 s |
|
Maximum Power |
0.5 kW |
|
Ambient Conditions |
10 to 35 C, humidity <= 80% |
|
Instrument Heat Capacity |
Approx. 10000 J/K |
|
Gross Heat of Combustion Range |
0.01 MJ/kg to 30 MJ/kg |
|
Heat Capacity Repeatability Error |
<= 0.1% |
|
Temperature Measurement Range |
4.5 to 50 C |
|
Temperature Difference Resolution |
0.0001 C using PT100 sensor |
|
Inner Cylinder Volume |
2000 mL |
|
Oxygen Bomb Sealing |
Oxygen charging pressure 2.5 to 3.5 MPa, no leakage |
|
Power Supply |
AC220V +/- 10%, 50Hz |
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