Dust Monitors

Dust Monitors


Pillard OPASTOP is recognized by customers as a reference in dust measurement. Compliant with the QAL 1 certificate in collaboration with the TUV and with 7 evolutions developed since it was launched 30 years ago, Pillard OPASTOP is the ultimate solution for low concentration of dust. It is easy to install, maintain, and provides a flexible solution that can be customized to adapt to specific conditions.

This instrument is distributed by Ohio Lumex for Fives Pillard Dust Monitors in the U.S. and Canada. Please contact us for a quote!


Continuous monitoring of dust emissions at stack and after bag filter.


  • Easy installation
  • Simple maintenance
  • Flexible customization to meet your needs