Standard:
GB/10294-2008 (Determination of steady-state thermal resistance and related characteristics of insulation materials - Protective hot plate method);
GB/T3399-1982 (Test method for thermal conductivity of plastics, heat shield plate method);
Performance characteristics of DRH-II-300 fully automatic thermal conductivity tester (dual protection hot plate method):
1. Automatic thickness measurement: High precision displacement sensors are used for measurement and connected to a computer for automatic thickness measurement, reducing human error.
2. Automatic pressurization system: The computer automatically pressurizes and can test the thermal conductivity under different pressures, which is more scientific, data-driven, and has better repeatability than manual pressurization.
3. Adopting dual panel detection for higher accuracy.
The main technical indicators of the DRH-II-300 fully automatic thermal conductivity tester (dual protection hot plate method) are:
1. Thermal conductivity range: 0.001~3.000W/mk;
2. Test accuracy: ± 3%;
3. Sample size: Double specimen 300 × three hundred × (10-50) mm; Flatness:<0.05 mm
4. Hot surface temperature range: room temperature~100 ℃, temperature resolution 0.01 ℃, measurement accuracy: 0.05 ℃;
5. Cold noodle temperature range: 0-60 ℃, temperature resolution 0.01 ℃;
6. Computer controlled fully automated testing, data processing, and generation of detection reports that can be printed out;
7. Using high-precision displacement sensors and connected to a computer for automatic thickness measurement, with a measurement range of 0-50mm and a resolution of 0.01mm;
8. It can automatically pressurize and detect the thermal conductivity under different pressure states. The pressurization range is adjustable from 0 to 1000N, with a resolution of 0.1N.
9. Temperature difference between hot and cold plates: default value of 20 ℃, users can also set it themselves
Common standard temperature difference: 20 ℃ Common temperature difference range: 15-25 ℃
Instrument configuration:
1. One DRH-II-300 fully automatic testing host,
2. One set of software,
3. One high-precision constant temperature water tank,
4. One desktop computer (configured according to the contract).