TC-1800H分光式雾度计TC-1800H

TC-H III DPK /Ⅲ雾度计TC-H III DPK /Ⅲ（直立式）

TC - H IIIDPK /Ⅱ雾度计TC - H IIIDPK /Ⅱ

TC - H IIIDPK全自动雾度计TC - H IIIDPK

TC - H III雾度计TC - H III