electrometer tube

noun

1
: an amplifier tube of extremely high sensitivity used in a vacuum-tube measuring instrument (such as a voltmeter)
2
: a vacuum tube having high impedance in the grid circuit so as to minimize the undesirable control-grid current

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Dictionary Entries Near electrometer tube

Cite this Entry

“Electrometer tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electrometer%20tube. Accessed 5 Nov. 2024.

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