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得利特粘度測試儀使用方法詳解

发表时间：2020-06-15 11:23作者：得利特

粘度測試儀使用方法

1、機器一定要保持水平狀態

2、轉子放入樣品中時要避免産生氣泡，否則測量出的粘度值會降低，避免的方法是將轉子傾斜的放入樣品中，然後再安裝轉子，轉子不能碰到杯壁和杯底，被測量的樣品必須沒過規定的刻度。

3、再测量不同的样品时，必须保持转子的清洁和干燥，如果转子残留有其它样品或清洁后残留的水，就会影响测量的准确度

4、酸性(PH)最大不能超過2，如果酸性過大應選用特殊轉子，使用ULA時要確定好樣品量(只需16ml)

5、根據測定的粘度範圍選擇粘度標准液，並在每次使用粘度計或流變儀前對儀器進行驗證，或定期校驗，以保證測量的准確性.可提供各粘度範圍的符合牛頓流體性質的矽油或油類標准品，精度±1%，粘度標准液的建議使用期限爲自開封起一年。

6、連接轉子時要用左手輕輕托起並捏住心軸(主機上)，右手旋轉轉子，這樣操作是爲了保護機身內的心軸和遊絲，這樣可以延長儀器的使用壽命

7、取值要在數值比較穩定時，否則取得的數值會存在較大的誤差

8、選擇轉子時，要看被測量的樣品的粘度和幾號轉子的測量範圍最接近，就選幾號。

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下一篇GB/T265-88粘度儀如何減少誤差?

文章分類：行業新聞

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