div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentuncertanity-of-measurement-is-at-95-confidence-levelk-2-for-veff30-or-as-perhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · # Uncertanity of measurement is at 95% confidence levelk = 2 for veff30 or as per NABL-141 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsinreader031viewer20220131205ad6c5a27f8b9a98098bf5fchtml5thumbnails1jpg width=140 height=200 divdiv