Less subject to dust adhesion on the probe comparing to tribo electric charge model or optical model.
Sintilation model to monitor the optical amount change and to calculate the comparison of the received optical amount and its change.
It uses a principle that laser light is irradiated on dust particles and the scattered light is collected, reflected, and detected via the quartz rod. It is suitable for monitoring the concentration of exhaust gases from a large boiler, kiln, etc.
No need to install 2pcs of sensors and optical axis adjustment since a sensor has both laser irradiation part and retection part in it.
Osaka Office 81-6-6312-2071