DRH-300 Thermal Conductivity Tester (Double Protection Hot Plate Method)Specification：

1. Thermal conductivity range: 0.01~1W/mk; And 0.1-5W/mk;

2. Test accuracy:<3%, repeatability error<1%;

3. Sample size: Double specimen 300 × 300 × (10-50) mm;

4. Hot surface temperature range: room temperature~99.99 ℃, temperature resolution 0.01 ℃;

5. Cold face temperature range: 0-60 ℃, temperature resolution 0.01 ℃; (Users can choose according to their requirements:- 5～60℃）

6. Calorimetry power supply: voltage 36V, resolution 0.1mV, current 3A, resolution 0.1mA;

7. Computer controlled fully automatic testing with fully automatic verification function;

8. The instrument has an 8-point sample thickness measuring device, with adjustable sample pressure and a constant pressure device;

9. Working conditions: ① Environmental temperature of 10 ° C to 35 ° C, ② Relative humidity ≤ 80% RH.