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Dependable Service, Quality & Integrity By Design


Opacity Monitors

Environmental Monitor Service Inc. is a leader in the field of advance technology opacity monitor systems COMS (continuous opacity monitoring systems). EMS EPA Compliant opacity and Non-compliant opacity monitors are guaranteed to exceed all EPA opacity monitor certification requirements; CFR 40, Part 60 Performance Specification 1 for Opacity monitors and ASTM D 6216.

Dust monitors are manufactured by Environmental Monitor Service, Inc. for process control as well. They are used to measure dust in bag houses, small diameter pipes or ducts from 1 to 36 inches. Companies have relied on EMS Opacity monitors for over 20 years to monitor the amount of visible emissions, smoke, dust or opacity from their process.




EPA Compliant Opacity Monitor
The EMS1304 and EMS410 double pass certifiable opacity monitor have been utilized World Wide when only the highest quality with minimum personnel intervention is required. 

Non-Compliant Opacity Monitor
The EMS400 opacity monitor and EMS600 Particulate Analyzer with precision double pass beam Transceiver with Solid-State electronic modulated source provides continuous, low maintenance, precision measurement of dust or opacity in industrial applications. It is a cost-effective instrument that serves as an aid in operating pollution and/or process control equipment. 

The Model 750 Single pass electronic modulated source is an economical Opacity - Smoke Density Monitor designed for easy installation in new and existing bag houses, ideal for meeting Title V opacity (smoke) regulations, oven exhaust, diesel exhaust, duct fire alarm, multi-point systems. 

Opacity Supporting Products
Opacity audit devices and Neutral Density Filters: Audit devices (on-line reflectors) for all makes and models of opacity monitors. Filters are made of the highest quality optical material and tested to meet EPA regulations and set the industries standard. 

Opacity monitor data acquisition system, Opacity monitor service, Preventive Maintenance and Quarterly COM Audits. You can be assured the job will be done quickly, courteously and at reasonable prices.