铁磁性电导率仪

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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
(铁磁性电导率仪)

美国GF仪表规格
美国GF仪表技术数据
美国GF仪表可连接所有的signet电导率电极
美国GF仪表可重复性：±2%.读数
美国GF仪表显示：数字式2X16液晶显示
美国GF仪表对比度：用户可调节5档
美国GF仪表刷新时间：1.8秒
美国GF仪表电源：12-24VDC±10%额定
[-1型21mAmax][-2型220mAmax][-3型60mAmax]
美国GF仪表传感器输入范围：电导0.055-400000μS/cm
美国GF微型流量传感器美国GF涡轮流量传感器美
国GF迷你流量传感器美国GF涡街流量传感器
美国GF流量计，美国GF电导率仪美国GF仪表美国GF电导电阻传感器转子叶轮式流量传感器黄铜流量传感器微型流量传感器
(铁磁性电导率仪)

(铁磁性电导率仪)

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(铁磁性电导率仪)

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