电导率仪的期间核查标准

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4节AA碱性电池或充电电池
温度精度°C
温度范围°C
-5.0...105.0
温度分辨率°C
0.00...80.00ppt
0.01mg/L...600g/L
电导率精度
电导率范围
0.01μS/cm...1000mS/cm
红外接口输出至打印机或电脑（RS232或USB接口）
5-40°C,相对湿度5-80%无冷凝
电导率,盐度，TDS和电阻率的专业测量仪表
(电导率仪的期间核查标准)

在178型的技术基础上，ResMap273是半导体行业首款30毫米桌面四点探针仪。273型扩展了ResMap原来一些产品的性能，实现了太阳能对210毫米大型衬底的要求。外形小巧，坚固耐用，准确性和重复性好。
提供NIST标准片6片!
产品特点：操作简单、快速精确
电阻测量范围：1mΩ/-5MΩ/
典型应用：非晶硅/微晶硅和导电膜电阻率测量；选择性发射极扩散片；表面钝化片；交叉指样PN结扩散片；新型电极设计，如电镀铜电阻测量等
美国CDE专利技术:可针对材料(不同材料、软硬薄膜或离子植入深或浅等条件，对下针状况最佳化。而此功能是可由软见操作，可有0.01mm的分辨率，而非麻烦的硬件调整。
(电导率仪的期间核查标准)

(电导率仪的期间核查标准)

测量值锁定功能：
仪器具有简捷的测量值锁定功能，方便您浏览或记录显示值。在电导率测量模式，按HOLD键，仪器自动锁定当前测量值，再次按键，仪器返回测量模式。
8分钟自动关机程序：
CONscan系列具有自动或手动关机功能，使用时，仪器开机即进入测量模式，如果您在8分钟内没有任何按键操作，仪器将自动关闭电源。
良好的防水性能：
仪器具有良好的防水性能，仪器的每个结构连接点都经过防水处理，即使浸入水中也不会影响使用。同时，仪器的重量经过悬浮力计算，落入水中会自动浮起。
技术参数：
仪器型号：CONscan20
电导率测量范围：0.0~199.9uS/cm
(电导率仪的期间核查标准)

电导率仪检定规程 目录 1范围····································································(1) 2引用文献·······························································(1) 3术语和计量单位··························································(1) 4概述···································································(2) 5计量性能要求···························································(2) 5.1电子单元重复性······················································(2) 5.2电子单元引用误差······················································(2) 5.3电导池常数示值误差···················································2) 5.4温度系数示值误差····················································（2) 5.5温度测量示值误差·····················································(2) 5.6仪器引用误差·······················································(2) 5.7仪器的重复性·························································(2) 6通用技术要求···························································（4) 7计量器具控制···。·······················································4) 7.1检定条件····························································(4) 7.2检定项目···························································(5) 7.3检定方法··························……:···························(5) 7.4检定结果的处理······················································(8) 7.5检定周期····························································(8) 附录A电导率标准溶液浓度及其电导率值····································(9) 附录B电导率仪检定记录示例············································(10) 附录C检定证书内页格式示例·············································(12) 范围 本规程适用于电解质电导率仪的首次检定、后续检定和使用中检验，电阻率仪和基于电导率测量原理的盐度计和总溶解固体含量（TDS）测量仪的校准可参照执行。 引用文献 术语和计量单位 3.1（电解质溶液的）电导 电导池中电解质溶液的例子电荷移动时。电流和电势差的比值 G=IU（1） 式中：G—电导，S I—通过电解质溶液的电流，A； U—电极间的电势差，V 电阻是电导的倒数，单位是Ω 3.2（电解质溶液的）电导率 电解质溶液电导率用以下公式定义： K=jE（2） 式中：k—电导率S?m-1 J—电流密度A?m-2 E—电场强度V?m-1 电阻率是电导率的倒数，单位是欧姆?米（Ω?m） 3.3电导池常数 电导池常数由公式（3）计算 Kcell=lA（3） 式中：Kcell—电导池常数，cm-1 l—测量电极间的有效距离，m
(电导率仪的期间核查标准)

1:电导率仪使用前的检查：检查一下指针是否指零，如果不指零调节电导率仪上的调零旋钮；
2:电导率仪的校准：将电导率仪调节到校正档，指针指向最大刻度；
3：电导率仪的测量：按照电极常数调节旋钮，测量时调节到测量档。
电导率仪的使用注意事项；
1.电极的引线不能潮湿，否则将测不准。
2.高纯水被盛入容器后应迅速测量，否则电导率升高很快，因为空气中的CO2溶入水里变成碳酸根离子。
3.盛被测溶液的容

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