Beckman total oxidant analyzer

例句：

1. 1. The Beckman Total Oxidant Analyzer was used to measure the concentration of oxygen in the sample.
   贝克曼总氧化剂分析仪用于测量样品中氧气的浓度。
2. 2. The Beckman Total Oxidant Analyzer is a highly accurate and reliable tool for measuring oxygen levels invarious environments.
   贝克曼总氧化剂分析仪是一种高精度和可靠的工具，用于测量各种环境中的氧气水平。
3. 3. The Beckman Total Oxidant Analyzer has been widely used in laboratories around the world to monitor air quality.
   贝克曼总氧化剂分析仪在全球范围内的实验室中被广泛使用，以监测空气质量。