TThe Model 107 in-line transient load opacity meter is used in diesel engine Test Cell applications by most diesel engine manufacturers worldwide. The control panel is a rack mount chassis with front panel controls. The sensor unit is installed in-line with the optical sensors protected from excessive heat and maintained in alignment by a rugged thermally insulated mount.
Assures measurement accuracy because smoke is confined to fixed volume. Optical path length is also fixed, further insuring accuracy and repeatability.