div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentgenrad-general-radio-1840-a-output-power-meter-2012-05-15-power-meter-20-10htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: GenRad General Radio 1840-A Output Power Meter · 2012-05-15 · POWER METER 20 10 40 06-Q to 32-kQ input impedance true rms reading The 1840-A measures audio-frequency power into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsinreader034viewer20220429225f6cb1761edfb838d6463ea2html5thumbnails1jpg width=140 height=200 divdiv