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Industry-leading CEMS
Data Acquisition Systems

Join the +3100 facilities across the U.S. who trust ESC Spectrum for
air emissions monitoring and reporting

We Are a Turnkey CEMS Provider

If it's related to Continuous Emissions Monitoring Systems, we can help.

We're Your Data Acquisition System Partner

Our experienced team of experts support all our your facility's DAS needs,
including Reporting, Engineering, Regulatory and IT services.

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Robust and Reliable Data Controllers

We make hard-working devices that accurately and securely acquire, store and protect
your CEMS data from communications failures within your DAS system.

Total CEMS Solutions From a Single Source

We're a one-stop shop for shelters, testing, parts, repair, maintenance, and more –
everything you need to keep your CEMS system healthy and in compliance.

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Five Star Customer Support

Our products are supported by in-house, US-based, cross-trained 24/7/365 expert customer support.

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Process Control Systems & Services

Experience providing systems that meet the unique requirements of refinery and petrochemical industries.

Case Studies

Case_Study_Header_Evergy_Rataview

RATAView Case Study: Evergy

July 7, 2020

Learn how Evergy used RATAView software and the 8864 Data Controller for stack testing and increased efficiency by 25% within a year.

stackvision_case_study_coal-fired_electric_generating_power_plant

StackVision™ Case Study: Coal-Fired Electric Utility

August 27, 2019

Learn how StackVision helped a Louisiana Coal-Fired Electric Utility comply with the Mercury & Air Toxics Standards (MATS).