Welcome to EMS

Products and Services that EMS Offers:

*EPA 40 CFR 60, Appendix B, PS-1 Compliant Opacity Monitors
*Manufacturers of Opacity Monitors designed for applications such as:

  • Boilers
  • Power Plants
  • Process Control
  • Electrostatic Precipitator Control
  • Cement Plants
  • Paper Mills
  • Crematoriums
  • Duct Work
  • Kitchen Exhaust Fan Control
  • Diesel Exhaust

*PS-11 and mg/m3 Dust Monitors
*Personalized service for application specific model selection and comparison
*Neutral density filter sales and certification
*Procedure 3 compliant
*In-house and field service for all makes of Opacity and Dust Monitors
*Data Acquisition Systems
*Semi-annual and quarterly audit service contracts
*Design and customization of Opacity Systems (COMS)
*Off-stack testing (COMS)
*Opacity Monitor QAQC plans


Featured Product


  • 40 CFR 60 PS-1 and ASTM D 6216 Compliantaverage
  • Meets PS-11 requirements
  • RS485, Modbus communication, optional Ethernet and wireless
  • Dual beam measurement
  • Lifetime LED  source replacement warranty
  • Intuitively designed 5.7″ color touch screen user interface
  • 5 Numeric 3 trend display choices
  • Real-time diagnostics for testing outputs and relays
  • Automatic or manual on-line calibration
  • Standard SD Card for data and program backup
  • Easy to read color coded fault screen
  • User display customization available