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QTM-500热线法导热系数快速测定仪
产品名称: QTM-500热线法导热系数快速测定仪
英文名称:
产品编号: QTM-500
产品价格: 0
产品产地: 日本
品牌商标: KEM
更新时间: null
使用范围: null
- 联系人 :
- 地址 : 上海市闸北区万荣路388弄17号904室
- 邮编 : 200072
- 所在区域 : 上海
- 电话 : 139****8882 点击查看
- 传真 : 点击查看
- 邮箱 : zhou-feng1027@163.com
QTM-500快速导热系数测定仪/热导仪
Quick Thermal Conductivity Meter
导热系数: 单位时间内在单位温度梯度下沿热流方向通过材料单位面积传递的热量。单位为瓦每米开尔文[W/(m•K)] 。
用沿试样长度方向埋设在试样中的线状电导体(热线)进行局部加热,热线载有已知恒定功率的电流,即在时间上和试样长度方向上功率不变。从热线的功率和接通电流加热后已知两个时间间隔的温度可以计算导热系数,此温升与时间的函数就是被测试样的导热系数。
QTM-500快速导热系数测定仪/热导仪 适用于:
各种工业材料、建筑材料、耐火材料、工艺材料、陶瓷材料、食品等。
埋设钢质管道硬质聚氨脂泡沫塑料防腐保温层技术标准 - 附录C 快速导热系数测定仪。
耐火材料 导热系数试验方法(热线法)。
非金属固体材料导热系数的测定 热线法。
橡胶 热导率的测定 热线法。
岩土工程学报 - 利用常温导热系数测定仪测定典型砂、黏土、岩石的导热特性。
QTM-500快速导热系数测定仪/热导仪 主要特点:
1. 迅速并容易测量各种类型样品的导热系数(热导率)。
2. 依据样品和测量温度的种类,可选择适当的传感器(探头)。
3. 液晶显示屏幕,测量中能直接观测升温曲线。
4. 升温曲线采用时间对数显示,可确认测量值的线性。
5. 自动判断样品适当的加热电流値(仅适用PD-11)。
6. 自动判断样品温度稳定后,进行测量。
7. 可测量薄膜或纸状样品(需另购选件品SOFT-QTM5EW)。
QTM-500快速导热系数测定仪/热导仪 技术参数:
型号与名称: QTM-500迅速导热系数测定仪。
测量方式: 热线法(热丝法)。
测量范围: 0.023~12W/mk(瓦每米开尔文)。
准确度: 误差值在 ±5%以内。
重复性: 误差值在 ±3%以内。
温度: -10~200℃。
测量时间: 标准约60秒(样品必须在稳态下)。
传感器: PD-11盒式探头,加热线和铬-铝热电偶。
显示屏幕: 30字7行液晶显示。
显示内容: 导热系数(热导率): 0.XXX~XXX.X W/mk,温度: -100~1000℃,测量信息。
最小样品需求: 约100(长)×50(宽)×20(厚)mm或以上。
外部输出: 2个频道RS-232C,1个频道热电偶电力。
使用环境: 温度: 5℃~35℃,湿度: 低于85%RH。
电源: AC100~240V,50/60Hz。
功率: 60W。
尺寸: 主机: 300(长)×475(宽)×175(高)mm,盒式探头: 100(长)×50(宽)×100(高)mm。
重量: 9kg。
附件: PD-11盒式探头,探头系数表,电源线和地线,保险丝,石英参考样,硅胶参考样,聚乙烯参考样,冷却板,刷子和操作说明书。
选件: PD-13绝缘防湿探头,PD-NO针状探头,PD-31热线法探头,QTM-PA1粉状物测量容器,DP-500打印机,SOFT-QTM5EW薄膜试样测量软件,SOFT-CAPE数据收集软件。
QTM-500热导仪与安装了
SOFT-QTM5EW 软件的个人计算机(Windows® 95)联用,可测橡皮,塑料,陶瓷,纸张,纺织物,木材等
均质材料的薄膜、薄片、薄板等结构的热导率。
【详细说明】 |
测定方法 细线加热法 1) 主体:300W×475D×175Hmm 使用环境 1) 温度:5~35℃ 特点 1. 易操作和短时间测量 60 seconds 2. 测量范围广 0.023 - 12 W/mK 3. 非常优秀的重复性 + 3 4. 样品要求:面积是 10 x 5 cm的任何形状和大小的材料 5. 测量过程中实时温度曲线绘制自动感应样品平衡温度. 6. 事先设置时间内可重复自动测量 Max. 100 times 7. 可保存最多100个测量结果 |
GB/T 5990-2006 耐火材料 导热系数试验方法(热线法)
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