DRH Flat Deska tepelná vodivost
- Popis
- Poptávka
Popis
DRH Flat Deska tepelná vodivost
1.Přehled:
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. Hlavně testovat plast, sklenka, vlákno, konkrétní, building insulation materials, foam board, powder and other materials. Široce používán na vysokých školách a univerzitách, vědeckovýzkumné jednotky, quality inspection and production enterprises and other departments.
Standard referenčního nástroje:
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 “Metoda zkoušení tepelné vodivosti plastů, 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), atd.
DRH Flat Deska tepelná vodivost
2.The main technical performance
1, rozsah tepelné vodivosti: 0.0010 ~ 3.0000w/m·k, zobrazit čtyři desetinná místa;
2, test accuracy: ≤±3%; Opakovatelnost: ≤±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).
Poznámka: Low temperature detection can also be selected according to customer requirements, jako -20 ° C ~ 60 °C, -30 ° C ~ 60 °C, -40 ° C ~ 60 ° C and other specifications, the cost is additional.
5, zdroj napájení: 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, zpracování dat, and generate test reports, to achieve data printout.
8, požadavky na velikost vzorku:
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: počítač, 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, pomocí vysoce přesného snímače posunutí a připojeného k automatickému měření tloušťky počítače, rozsah měření 0– 50mm, rozlišení 0,01 mm;
b, lze automaticky natlakovat, zjistit tepelnou vodivost za různých tlakových stavů, rozsah tlaku 0– 1000N nastavitelné, rozlišení 0,1N.
Konfigurace: including one DRH-ZD-300 test host, jedna softwarová sada, jeden vysoce přesný dřez s konstantní teplotou, jeden značkový stolní počítač (podle konfigurace smlouvy).
