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Sweating Guarded Hotplate thermal resistance tester for fabrics heat insulation

Sweating Guarded Hotplate is the most professional, stable and advanced Thermal and Evaporative Resistance test instrument in the world.

Human skin simulation test plate, automatic water supply system, wind speed stabilization system, test host and climate chamber are completely separated design. Automatically adjust the height of the hotplate according to the thickness of the test sample, ensure the wind sensor is 15mm above the hotplate.

A Windows based software is offered. The main machine inside the chamber is connected with the software by Wi-Fi, so operators may control and monitor the testing in the office.

Testing Standards:
GB/T 11048, ISO 11092, ASTM F1868, ASTM D1518, JIS L1096

Application
The Thermal resistance wet resistance tester simulates the heat and mass transfer process which occur on human skin.It is suitable for measurement of thermal resistance and water vapor resistance under steady state conditions of a range of products of fabrics, films, coatings, foams, and leathers, including multi-layer assemblies, for use in clothing systems.

Product Information
In the standard testing environment, heat the fixed aluminum or copper to a specified temperature and maintain the specified temperature, then measure the power used for heating. Similarly, measure the power used for heating the copper or aluminum plate after placing the cloth specimen on it. According to the power difference of two measurements and area size of the tested plate, the thermal resistance and water vapor resistance of test samples can be indicated.

Professional Technology
1.The world's first unique design concept, integrated design of control systems and automatic water supply system, with the standard Climate Chamber optional.
2. Automatic water supply, automatic drain system, efficient water charging system (In the evaporative resistance test mode, water uniformly wets test plate faster).
3. High-precision automatic mobile system for the test platform, enter the thickness of the test sample, the test platform to move to the corresponding position.
4. According to the thickness of the sample, the machine could automatically adjust the PID control parameters, then quickly reach to the required test conditions.
5. The patented Air velocity parallel stabilization system, makes the Air velocity homogeneous and stable, more stable of the test results.
6. Air velocity continuously adjustable from 0~2m/s to meet any Thermal and Evaporative resistance testing standards.
7. Guard ring width of 127mm, to ensure that whole heat is just passed through the test sample than other way.
8. LED soft lighting system.
9. Standard USB communication, optional wireless wifi communication, to make more convenient connection.
10. Machine stainless steel shell to ensure the life of the machine more than 20 years.
11. Friendly and convenient testing software, test software to configure variety of test standard and user-friendly.

Technical Specifications of Thermal resistance wet resistance tester
Thermal Resistance(RCT) range: 0.002~2.000m2·K/W;
Indication error ≤ ±2%;
Repeatability error ≤ ±2%;
Resolution: 0.001m2·K/W;
Evaporative Resistance(RET) range: 0-1000m2·Pa/W;
Indication error ≤ ±2%;
Repeatability error ≤ ±2%;
Resolution: 0.001m2·Pa/W;
Test plate temperature range: 20℃-50℃, adjustable;
Temperature control accuracy: ±0.03℃;
Temperature measurement: ±0.01℃;
Air velocity: 0~1.2m/s, continuously adjustable;
Air velocity accuracy: ±1%;
The sample platform lift range: 0~70mm, automatic lift;
Sample thickness: 0~70mm;
Test plate area: 250mm×250mm;
Guard ring size: 512mm×512mm, Guard ring width: 127mm;
Dimensions: 770×560×750mm (L×W×H) (not including Climate Chamber);
Weight: 30Kg (not including Climate Chamber);
Host power: AC220V±10%, 100W or AC110V±10%, 100W.



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