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當(dāng)前位置:上海皆準(zhǔn)儀器設(shè)備有限公司>>熱學(xué)性能分析儀>>導(dǎo)熱系數(shù)測定儀>> DRH-300導(dǎo)熱系數(shù)測試儀(護(hù)熱平板法,單平板)

DRH-300導(dǎo)熱系數(shù)測試儀(護(hù)熱平板法,單平板)

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產(chǎn)品簡介

簡要描述:DRH-300導(dǎo)熱系數(shù)測試儀(護(hù)熱平板法,單平板)該儀器基于單向穩(wěn)定導(dǎo)熱原理,當(dāng)試樣上、下兩面處于不同的穩(wěn)定溫度下,測量通過試樣有效傳熱面積的熱流及試樣兩表面間溫差和厚度,計(jì)算導(dǎo)熱系數(shù)。滿足了材料檢測研究部門對材料導(dǎo)熱系數(shù)的高精度測試要求。

詳情介紹

DRH-300導(dǎo)熱系數(shù)測試儀(護(hù)熱平板法,單平板)

該儀器基于單向穩(wěn)定導(dǎo)熱原理,當(dāng)試樣上、下兩面處于不同的穩(wěn)定溫度下,測量通過試樣有效傳熱面積的熱流及試樣兩表面間溫差和厚度,計(jì)算導(dǎo)熱系數(shù)。滿足了材料檢測研究部門對材料導(dǎo)熱系數(shù)的高精度測試要求。儀器參考標(biāo)準(zhǔn):GB/T3399《塑料導(dǎo)熱系數(shù)試驗(yàn)方法,護(hù)熱平板法》、GB/T3139-2005(纖維增強(qiáng)塑料導(dǎo)熱系數(shù)試驗(yàn)方法)(玻璃鋼導(dǎo)熱系數(shù)試驗(yàn)方法)、GB/10294-2008(絕熱材料穩(wěn)態(tài)熱阻及有關(guān)特性的測定 防護(hù)熱板法等。主要測試塑料、玻璃、纖維、泡沫、保溫材料等。廣泛應(yīng)用在大中院校,科研單位,質(zhì)檢部門和生產(chǎn)廠的材料分析檢測。

DRH-300導(dǎo)熱系數(shù)測試儀(護(hù)熱平板法,單平板)主要技術(shù)指標(biāo)

1、導(dǎo)熱系數(shù)范圍:0.001~2.000W/mk;

2、測試精度:±3%;

3、試樣尺寸:單試件300×300×(10-50)mm;平面度: < 0.05 mm.

4、熱面溫度范圍:室溫~100℃,溫度分辯率0.01℃,測量精度: 0.05℃;

5、冷面溫度范圍:0~60℃,溫度分辯率0.01℃;

6、計(jì)算機(jī)控制全自動測試;

7、冷熱板溫差:默認(rèn)值20℃,用戶也可以自行設(shè)定

常用標(biāo)準(zhǔn)溫差: 20℃ 常用溫度差范圍15-25℃

8、使用電源:230V,60HZ。

配置:含測試主機(jī)壹臺,軟件壹套,高精度恒溫水槽壹臺,帶英文操作系統(tǒng)的臺式電腦壹臺。

DRH-300 Coefficient of thermal conductivity tester(The protecting-hot plate method)

1.Overview:

The instrument is based on one-way steady heat conduction principle, When the upside and downside of the sample in different stable temperature, measured by the specimen effective heat transfer area of heat flux 、the temperature that is difference between the upside and downside and it thickness to calculate it coefficient of thermal conductivity. Material coefficient of thermal conductivity of the material testing research department of high precision testing requirements. Instruments and reference standards: GB/T3392-82 "plastic test method for thermal conductivity, thermal protection act of tablet, GB/T3139-2005 (fiber reinforced plastic coefficient of thermal conductivity test method) (glass fiber reinforced plastic coefficient of thermal conductivity test method), GB/T10294 (insulation steady state thermal resistance and the relevant features and protection hot plate method), etc. Mainly test to plastic, glass, fiber, foam, heat preservation material etc.The machine is widely used in university and collage, scientific research institutions, quality inspection department and material analysis of factory inspection.

2.the main technical performance

1, scope of application

This instrument is suitable for the dry or homogeneous plate materials under different humidity condition and the coefficient of thermal conductivity of powder materials.

Coefficient of thermal conductivity range: 0.001 ~ 2 w/m. k

2, instrument provides the controlled temperature to test, the highest temperature is 100 ℃; Using waterbath ,temperature control range 0-60 ℃;

3,Digital temperature measuring . precision of better than 0.2.

4, power supply: 230 v / 60 hz

5, the measurement accuracy + / - 3%

6, metering heating power 35 w + / - 1%.

7, can connect PC to automatic test, and can print it data .

8, sample size requirements: 300 x 300 x (10 to 50) (mm) single sample

9, work conditions,

(1) 10 ° ~ 35 ℃ ambient temperature

(2) the relative humidity of 80% RH or less

3, instrument device introduce

Instrument consist of stable power supply, thermometer table, center of hot plate heater, hot plate heater, upper and lower polar plate, temperature measuring element, cwaterbath, computer testing system.

1, measuring head part, hot plate, cold plate and protecting-hot plate.

2, heating system, hot plate temperature heater and measuring power heater.

3, cold plate temperature control: constant temperature water tank

4, temperature measurement and control system: Take number shows instrument to ensure the accuracy and stability, and achieve zero internal compensation.

5, measuring power by constant heating, and digital display, the accuracy is better than 0.1%.

6, computer test components, including, a set of computer and communication components and software.

Form a complete set of products

1, test host 1SET;

2, high-precision constant temperature water tank controller 1SET;

3, computer 1SET;

4, test software 1SET;

5, specification 1SET;

6, temperature controller, power supply specifications 1SET;

上一篇: DRE-2B導(dǎo)熱系數(shù)測試儀(瞬態(tài)探針法)
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