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vacuum-tube voltmeter |
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vacuum-tube voltmeter [′vak·yəm ¦tüb ′vōlt‚mēd·ər]
(engineering) Any of several types of instrument in which vacuum tubes, acting as amplifiers or rectifiers, are used in circuits for the measurement of alternating-current or direct-current voltage. Abbreviated VTVM. Also known as tube voltmeter. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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