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便攜式直流電阻測試儀使用注意事項以及常見故障解決方法

發布日期:2022-10-09 點擊率:57

變壓器直流電阻測試儀的注意事項。

一、注意事項

1、直流電阻測試儀可室內室外使用,但應避免陽光直射、雨淋、腐蝕氣體、塵埃過濃等場所使用;

2、使用前,儀器的接地端子必須良好接地;

3、測試過程中如遇到突然斷電,請不要立即拆除測試線,待儀器放電完畢后方可拆除;

4、在測試過程中,禁止移動測試夾和供電線路。

5、測量無載調壓變壓器,某一分接測試完成后,需按取消或復位鍵使系統放電,一定要等放電指示停止后,切換檔位,進行下一次測量。

6、測量有載調壓變壓器,可一次供電完成,儀器程序設計允許在某一分接測完后,把分接開關導至下一分接,儀器將進入下一分接的測量

7、測試完畢后需先關閉電源,再拆除測試線;

二、常見故障解決方法

故障一、開機無顯示

1)電源插座保險管損壞

2)儀器內部插件松動

3)計算機板故障

故障二、顯示“超量程或線路未接好”

1)儀器電源故障

2)A/D板故障

3)測試線接觸不良或未形成回路。


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