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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量化的煙塵顆粒的排放量比以往任何時候都更簡單。集成的泵和自動測量發光顯示值表現意味著費力抽水和評價工作是確定煙霧同義現在的舊帽子，，或者更好的是“老煙”。