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DRX-II Hotline thermal conductivity meter

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    Introduction

    Hotline thermal conductivity meter Description:

    First, sum up
    the law of hot line that one kind measures the law (not a law of steady state) dynamically. Principle its to measure along sample length direction burying underground in sample centre line shape Wen Sheng for a fixed period of time of heat source. Measure the temperature of hot line and vary with time through the electric thermocouple that is welded on the mid point of hot line. Temperature of line this change to examine into material heat conduction function of coefficient. The instrument consults the standard: GB/5990-86 " fire-resistant products heat conduction coefficient test method (the law of hot line) that setting insulates against heat "; GB/T17106-1997 " refractory material heat conduction coefficient experiment method (parallel law) "; GB/T10297-1998 " determination (the law of hot line) of nonmetal solid material heat conduction coefficient ",etc.. This instrument mainly tests setting insulates against heat fire-resistant products, nonmetallic materials heat conduction coefficient at different temperature such as the material powdered. Apply to large and medium universities and colleges extensively, R&D institution, quality testing department and material for producing factory analyze that measures.
    Second, main technical feature; 1, The coefficient of heat conduction tests the range: 0.015-1.7w/m• k; 2, Accuracy: ± 3%; 3, Can finish, cross line law, parallel law, realize test of controlled state to experiment temperature, test 1200 ℃ of temperature at most; 4, The sample size is required: 230*114*65(mm) ; 5, Can connect to the location machine, realize the computer tests, and realizes automatically the data are printed and exported;

    DRX-II型导热系数测定仪(热线法) 说明:

    该导热系数测定仪主要用于测量导热系数在0.010-25W/M.K之间,温度在1250,1400,1600℃的材料,包括定形隔热耐火制品、氧化镁与氧化铝砖块、陶瓷等非金属材料,测试原理采用平行热线法。可用来测量各种不同类型材料的热导率、热扩散率以及热熔,适用样品类型:固体、粉末、颗粒状材料。 符合GB5990-86《定形隔热耐火制品导热系数试验方法(热线法)》。GB/T 10297-1998《非金属固体材料导热系数的测定(热线法)》,GB/T 17106-1997《热耐材料导热系数试验方法(平行热线法)》。仪器配有计算机系统大大简化了操作,快速、准确。

    导热系数测定仪技术参数:
    1)、导热系数范围:0.010-25W/M.K,精度≤2%
    2)、测量温度最高可达1250,1400,1600℃,可根据用户要求设定温度范围。
    3)、热扩散率测量精度:3%
    4)、比热测量精度:3%
    5)、样品大小:小于300*300*100(mm)方形体均可,
    6)、显示温度分辨率1℃,时间分辨率0.1s。
    7)、配接计算机接口及计算软件,整个试验过程由计算机自动进行。


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