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The following Wikimedia Commons files used on this page have been nominated for deletion:

• Impedance analyzer from Hioki.png
• Impedance analyzer from Keysight Technologies.png

Participate in the deletion discussion at the nomination page. — Community Tech bot ( talk) 16:37, 20 January 2019 (UTC) reply

The lead section was extended and the key information added with the focus to make the section understandable to broader public. Please review or suggest edits. — Preceding unsigned comment added by Kara A ( talk • contribs) 10:53, 23 January 2019 (UTC) reply