一、TDS测试笔概述
TDS 是英文 total dissolved solids 的缩写,中文译名为溶解的固体总量,测量单位为毫克 / 升( mg/L ) , 它表明 1 升 水中溶有多少毫克固体杂质。
通俗的讲: TDS 值代表了水中溶解物杂质含量, TDS 值越大,说明水中的杂质含量大,反之,杂质含量小。
二、影响TDS测试笔测试的因素
水温: TDS测试笔的最佳测试温度为25℃,不可用于测量高温水体(例如:热开水)
水的流速: TDS测试笔不能用于测量晃动较大的水体
水质污染: TDS测试笔不能用于测量污染浓度较高的水体
三、TDS测试笔使用方法
拿下TDS测试笔的笔套,打开ON开关;
将TDS测试笔放入测试溶液中,溶液高度不得超过2cm;
将TDS测试笔在溶液中搅动,待读数稳定(10-30秒)后,TDS数值将会显示在屏幕上,要锁定数值,请按HOLD键。
使用完毕后擦干笔头上的水,将TDS测试笔套盖回即可。
使用注意事项:避免将TDS测试笔浸泡到水里,避免直射光线和高温,避免撞击重压和摔落。
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