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技術文章首頁 > 技術文章 > 電子天平擁有兩種校準方法
電子天平擁有兩種校準方法
點擊量:184     時間:2023-01-12
  電子天平在長時間未使用或初次使用前都要進行校準,否則就會導致測量誤差較大,因此掌握正確的校準方法就顯得非常重要。它一般稱量偏差不要超過10個d,d表示:電子天平的精度。至于稱量值與砝碼的標準值差建議(差正負5個d)時應該校準?;蛘咛炱揭苿游恢?,天氣溫差變化等都應該積極的做校準。電子天平的校準方法主要包括內較和外校。
 
  電子天平有兩種校準方法,一種是內校,另外一種是外校。
  1、內校:
 ?、傧却蜷_天平預熱;
 ?、谌绻炱讲皇撬降脑?,需要把天平調整到水平;
 ?、鬯娘@示值不是零的話,需要把顯示值歸零;
 ?、苋缓蟀碈AL鍵啟動天平的內部校準,之后天平就會顯示C,這就表示內部校準正在進行;
 ?、莓旊娮犹炱绞局禋w零的時候,就表示產品內部校準完畢。
 
  2、外校:
 ?、偬炱较阮A熱一會,需要30分鐘的樣子;
 ?、谔炱叫枰綘顟B,如果不是是需要調整到水平狀態的;
 ?、厶炱酵斜P不能有物品,因為先要歸零,不然會有一定的誤差;
 ?、馨?ldquo;CAL”鍵啟動天平的校準;
 ?、葸@個時候的天平就會顯示校準砝碼的示值;
 ?、奕缓笥脴藴薯来a放入電子天平中,記錄示值,之后在看示值與標準砝碼相差多少,如果在誤差在量程之內就是合格的,否則是不合格。

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