DRH Flat Plate Thermal Conductivity Meter
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Penerangan
DRH Flat Plate Thermal Conductivity Meter
1.Gambaran keseluruhan:
The thermal conductivity of materials is an important parameter to study the thermal physical properties of materials. This series of instruments adopts the principle of heat shield plate method, which meets the high precision test requirements of material testing research department for material thermal conductivity. Mainly test plastic, kaca, serat, konkrit, building insulation materials, foam board, powder and other materials. Widely used in colleges and universities, scientific research units, quality inspection and production enterprises and other departments.
Standard Rujukan Instrumen:
GB/10294-2008, ISO8302:1991 (Determination of steady-state thermal resistance and related properties of thermal insulation materials protective hot plate method),
GB/T3392-1982 “Plastic thermal conductivity test method, heat protection plate method”,
GB/T3139(test method for thermal conductivity of fiber reinforced plastics)(test method for thermal conductivity of glass fiber reinforced plastics), dan lain-lain.
DRH Flat Plate Thermal Conductivity Meter
2.The main technical performance
1, thermal conductivity range: 0.0010 ~ 3.0000w/m·k, display four decimal;
2, test accuracy: ≤±3%; Kebolehulangan: ≤±1%;
3, hot surface temperature range: room temperature ~ 95℃, resolution 0.01℃.
4, cold surface temperature range: 0 ~ 60℃, resolution 0.01℃, using constant temperature tank control (standard specifications).
Catatan: Low temperature detection can also be selected according to customer requirements, seperti -20 ° C ~ 60 ° C, -30 ° C ~ 60 ° C, -40 ° C ~ 60 ° C and other specifications, the cost is additional.
5, bekalan kuasa: 220V/50HZ; Power ≤2KW.
6, calorimetric power supply: voltage 0-30V, distinguish 0.0001V; Current 0-3A, resolution 0.0001A.
7, connect the computer automatic test, data processing, and generate test reports, to achieve data printout.
8, sample size requirements:
DRH-III 200×200×(5-20)(mm);
DRH-300, DRH-ZD-300 300×300×(10-50)(mm);
DRH-400, DRH-ZD-400 400×400×(10-80)(mm);
DRH-600, DRH-ZD-600 600×600×(10-100)(mm);
3.Introduction of the instrument
The instrument is composed of high precision stabilized voltage power supply, temperature meter, central calorimetric plate heater, heat shield plate heater, constant temperature water tank and computer test system.
1, test head part: calorimetric plate, heat protection plate, cold plate.
2, heating system: heat plate temperature heater and metering power heater.
3, cold plate temperature control: constant temperature sink.
4, temperature measurement system: the use of digital display high-precision instrument to ensure its accuracy and stability, and achieve zero internal compensation.
5, the metering power is heated by high-precision voltage regulator power supply, the accuracy is better than 0.1%.
6, computer test components: computer, communication components and test software.
DRH-ZD series specifications with automatic pressure, automatic thickness measurement function, detection of thermal conductivity and thermal resistance under different pressure states, very suitable for compressible materials:
a, using high-precision displacement sensor and connected to the computer automatic thickness measurement, measuring range 0– 50mm, resolution 0.01mm;
b, can be automatically pressurized, detect the thermal conductivity under different pressure states, pressure range 0– 1000N adjustable, resolution 0.1N.
Konfigurasi: including one DRH-ZD-300 test host, one software set, one high precision constant temperature sink, one brand desktop computer (according to the contract configuration).
