analyser       
noun [ C ] UK uk/ˈæn.əl.aɪ.zər/ us/ˈæn.əl.aɪ.zɚ/ (US analyzer)
 分析镜;分析器,分析筛;分析者,化验员
a person, machine, or device that examines something in detail in order to discover exactly what it is or consists of
  a digital image analyser  数字图像分析器 
 - More examples
 - H2 was measured with a reduction gas analyser.
 - It is a code analyser and transformer that can prepare Cobol programs for migration from any system.
 - Another pair of helical mirror images is provided by the cochleae, the frequency analysers in our ears.
 - Scrupulous analysers of elections might argue that the proportion of Free Presbyterians in these contests was artificially inflated by the election pact.