div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220220085ade6fe17f8b9ad66b8b80fahtml5page1jpg target=_blank img data-url=documentgenrad-general-radio-1986-sound-level-calibrator-cavity-of-the-1986-is-designedhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: GenRad General Radio 1986 Sound Level Calibrator · The cavity of the 1986 is designed to fit GenRad 1 -inch microphones the WE 640AA and Tokyo Riko MR 130 An adaptor is included loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsusreader039viewer20220220085ade6fe17f8b9ad66b8b80fahtml5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220220085ade6fe17f8b9ad66b8b80fahtml5page2jpg target=_blank img data-url=documentgenrad-general-radio-1986-sound-level-calibrator-cavity-of-the-1986-is-designedhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: GenRad General Radio 1986 Sound Level Calibrator · The cavity of the 1986 is designed to fit GenRad 1 -inch microphones the WE 640AA and Tokyo Riko MR 130 An adaptor is included loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsusreader039viewer20220220085ade6fe17f8b9ad66b8b80fahtml5thumbnails2jpg width=140 height=200 adivdiv