標準號：DIN 51402-1-1986
中文標準名稱：燃油系統廢氣檢驗.炭黑值的外觀檢查和光度測定
英文標準名稱：Testing of flue gases of oil burning systems; visual and photometric determination of the smoke number
標準類型：Z25;J90
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：Z25;J90
國際標準分類號：27.060.10
適用范圍：The method according to this standard is used for determination the blackening index of exhaust gases of heating installations fired by heating oil EL according to DIN 51603 part 1. For the determination a specified volume of the exhaust gas is forced through a filterpaper. This causes a blackening of the surface of the filter paper. The degree of blackening is measured either by a visual comparison with a test chart or by a photometric comparison with a reference curve.