Welcome toEMS
Manufacturing and Servicing Opacity Monitors Since 1990
Environmental Monitor Service, Inc. (EMS) is a certified veteran-owned small business. We manufacture opacity monitors and dust monitors and smoke opacity detectors, backed by factory and field service.
Built for long service life: With proper maintenance, EMS equipment has an average life expectancy of more than 15 years.
EMS offers a wide selection of products, including monitors that are US EPA 40 CFR 60, Appendix B, PS-1 compliant. Learn how opacity monitors work, compare single-pass and double-pass opacity monitors, or use our guide to choosing an industrial opacity monitor. Our products are designed for applications such as:
Boilers
Power Plants
Cremation
Duct Work
Process Control
Cement Plants
Paper Mills
Kitchen Exhaust Fan Control
ESP Control