The instrument is designed and manufactured in accordance with the GB/T 10294-2008/ISO 8302：1991.(Thermal insulation-Determination of steady-state thermal resistance and related propertics-Guarded hot plate apparatus). Connect the computer to realize the automatic control equipment, data acquisition and processing, as well as the thermal conductivity calculation, display and print output, reduce human error, improve test accuracy. Measurement time is short, fast, data is accurate , High process automation.
This equipment mainly used for testing plastics, fiber, foam, insulation materials, refractories, etc. Plate specimen. Increase with the sample box, can detect powder, granular and pasty materials. The instrument is widely used in heat-resistant and insulation material testing, used in production, quality inspection departments, colleges, universities and research institutes.
The main technical performance：
1、Thermal conductivity test range：0.010-1W/M•K，
The accuracy：better than ± 3%;
2、The sample size: 300×300×(10-50)mm，Quantity: 2.
3、Hot plate temperature range: room temperature - 99.99 ℃, temperature resolution is 0.01 ℃.
4、Cold plate temperature range: 0 - 60 ℃, temperature resolution is 0.01 ℃.(or -5——60℃);
5、Measurement Heating power: Voltage is 32V, resolution is 0.1mV, current is 3A, resolution is 0.1mA.
6、Using computer control, automatic testing, and have automatic calibration function.
7、Apparatus has a sample thickness measurement device, 8 test points, the sample pressure can be adjusted, and with constant pressure device.
8、Imported thermocouple is used to measure the signal of the temperature differences Between Measurement Heating and Guardcd Heating. 16 test points.
9、Power: 220V/50Hz, power consumption is less than 1KW.