"Accurate measurement" refers to obtaining a precise and exact value or quantity. It means being careful and thorough in order to avoid any mistakes or inaccuracies when determining a certain measurement. Full definition
They could then precisely determine the mass on the basis of accurate measurement of the decay product. (sciencedaily.com)
The telescope named for him has provided more accurate measurements of the constant, resulting in a more reliable estimate of the age of the universe - between 13 billion and 14 billion years. (discovermagazine.com)
The bottles in this pack are clear and the measurements can be easily spotted for accurate measurement needs. (babieslounge.com)