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From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
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Auto Range模式的主要功能是讓使用者在量測未知振福大小的訊號時使用,當NI DMM 裝置設定成 Auto Range模式,韌體自動從最小的範圍來判斷是否符合量測範圍,判別是否超過設定範圍,並跳至下一個範圍設定,直到實際值不再大於量測設定範圍。
判斷實際值是否超過設定值大小(Overrange Condition)根據不同的裝置會有所不同,例如NI 4070 DC Voltage的判斷範圍條件是實際值大於設定值的105%,而NI 4060 AC Current的判斷範圍條件是實際值大於設定值的110%。欲得知完整的overrange/underrange condition表格請參考下列NI Digital Multimeters Help連結。
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