The testo 308 quantifies soot particle emissions more simply than ever before. The integrated pump and automatic measuring value presentation in the illuminated display means the laborious pumping and evaluation work which is considered to be synonymous with determining the smoke number is now old hat, or better still 'old soot'.

testo308量化的烟尘颗粒的排放量比以往任何时候都更简单。集成的泵和自动测量发光显示值表现意味着费力抽水和评价工作是确定烟雾同义现在的旧帽子，，或者更好的是“老烟”。