京都電子kemda-130n便攜式密度計(jì)方便各種液體樣品的密度測(cè)量,攜帶方便、操作簡(jiǎn)單、測(cè)定精度高,測(cè)試速度快。 符合標(biāo)準(zhǔn)方法: astm d7777 - 13(2018)e1 standard test method for density, relative density, or api gravity of liquid petroleum by portable digital
更新時(shí)間:2025-05-14