DIN 51402-1-1986
燃油系统废气检验.炭黑值的外观检查和光度测定
Testing of flue gases of oil burning systems; visual and photometric determination of the smoke number
- 适用范围
- 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.