This glass graduated cylinder is calibrated “to contain" with a molded in base. Each includes glass penny head stopper. Graduations are in durable white enamel bake.

其他水质分析仪及配件 电化学离子计 多参数测定仪 氮类分析仪 BOD分析仪、试剂 COD测定仪、消解器、试剂 浊度分析仪、试剂 溶解氧仪电极、试剂 溶解氧仪 电导率仪电极、试剂 电导率仪 pH/ORP计电极、试剂 pH/ORP计测定仪