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如何排除电子天平静电

Update time:2020-05-27 10:58:49The number of clicks:8496TimesSize:T|T
电子天平产生静电比影响称量结的准确度,仪器设备产生静电的原因及排除方法如下:

电子天平产生静电比影响称量结的准确度,仪器设备产生静电的原因及排除方法如下:

FA系列电子天平

一、电子天平的产生静电的原因

1、冬天空气干燥,环境湿度低于45%时。

2、天平秤盘安装不合适。

3、被称样品带静电。电子天平人们把用电磁力平衡被称物体重力的天平称为电子天平。其特点是称量准确可靠、显示快速清晰并且具有自动检测系统、简便的自动校准装置以及超载保护等装置。

4、天平使用者的衣服或使用的工具带静电。

5、电子天平工作室地板或工作台上的胶板等产生静电。分析天平定量分析工作中不可缺少的重要仪器,一般是指能称量到0.0001克的天平。

二、排除静电的方法:

1、人为增加环境湿度,保持在70%左右为宜。

2、天平的秤盘要正确安装。分析天平定量分析工作中不可缺少的重要仪器,一般是指能称量到0.0001克的天平。

3、保证室内湿度合适,应将电子天平的地线接好,可防止静电。

4、除去被称物品的静电再进行称量。

5、天平使用者,在使用天平前应先用手触摸墙壁等除去静电再使用。

(Edit:rrkj2017)
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