DRH-Flachplatten-Wärmeleitfähigkeitsmessgerät
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Beschreibung
DRH-Flachplatten-Wärmeleitfähigkeitsmessgerät
1.Überblick:
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. Hauptsächlich aus Kunststoff testen, Glas, Faser, concrete, building insulation materials, foam board, powder and other materials. In Hochschulen und Universitäten weit verbreitet, Wissenschaftliche Forschungseinheiten, quality inspection and production enterprises and other departments.
Instrumentenreferenzstandard:
GB/10294-2008, ISO8302:1991 (Bestimmung des stationären thermischen Widerstands und verwandten Eigenschaften von thermischen Isolationsmaterialien Schutzhotplattenmethode),
GB/T3392-1982 “Plastic thermal conductivity test method, heat protection plate method”,
GB/T3139(Testmethode zur thermischen Leitfähigkeit von faserverstärkten Kunststoffen)(Testmethode zur thermischen Leitfähigkeit von Glasfasern verstärkten Kunststoffen), usw.
DRH-Flachplatten-Wärmeleitfähigkeitsmessgerät
2.The main technical performance
1, Wärmeleitfähigkeitsbereich: 0.0010 ~ 3.0000w/m·k, display four decimal;
2, Testgenauigkeit: ≤±3%; Wiederholbarkeit: ≤±1%;
3, heißer Oberflächentemperaturbereich: room temperature ~ 95℃, resolution 0.01℃.
4, Kaltoberflächentemperaturbereich: 0 ~ 60 ℃, resolution 0.01℃, using constant temperature tank control (standard specifications).
Notiz: Low temperature detection can also be selected according to customer requirements, wie zum Beispiel -20 ° C ~ 60 °C, -30 ° C ~ 60 °C, -40 ° C ~ 60 ° C and other specifications, the cost is additional.
5, Stromversorgung: 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, Datenverarbeitung, und Testberichte generieren, 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, Messbereich 0– 50mm, Auflösung 0,01 mm;
B, kann automatisch unter Druck gesetzt werden, Die thermische Leitfähigkeit unter verschiedenen Druckzuständen erkennen, Druckbereich 0– 1000N einstellbar, Auflösung 0,1n.
Konfiguration: including one DRH-ZD-300 test host, one software set, one high precision constant temperature sink, one brand desktop computer (gemäß der Vertragskonfiguration).
