extinction meter

The QN-1 full flow opacity smokemeter which is manufactured by The Internal Combustion Engine Research Institute of Tianjin University, ha.

天津内燃机研究所研制的QN-1型全流消光式烟度计具有能够直观、清晰、准确的反映烟度变化情况、可进行实时监测等优点,为烟度排放限值标准的顺利执行提供了仪器保证。