Data Controllers

Our industry-leading CEMS 8864 Data Controllers provide
reliable, robust data collection, computation and storage capabilities.

When it comes to meeting federal, state, and local air emissions requirements, facilities across the U.S. trust ESC Spectrum’s Data Acquisition System (DAS) software for precision and dependability.


Our family of 8864 Data Controllers provides a reliable and powerful hardware bridge between StackVision, Prism, or other DAS software and an emissions monitoring rack, ensuring a smooth and efficient operation.


What sets our Data Controllers apart? They excel at collecting, monitoring, conducting Quality Assurance, and reporting on emissions data from continuous monitoring systems with pinpoint accuracy.

8864 Data Controller

The industry-leading 8864 Data Controller provides reliable, robust data collection, computation, and storage capabilities. It is the most widely used device for air emissions data from Continuous Emissions Monitoring Systems (CEMS) in the U.S.

8864 Ambient Data Controller

The hard-working 8864 Ambient Data Controller is ideal for ambient applications. With a Mean-Time-Between-Failure of over 20 years, ESC Spectrum’s Data Controllers are known as “workhorses” of the industry.

8864 Compact Data Controller

The 8864 Compact Data Controller is ideal for tight spaces and hazardous environments. The device provides the firmware functionality of the 8864 Data Controller in a compact design that is certified for operation in a Class 1, Division 2, or ATEX explosive environment.

8864 Data Controller Services

ESC Spectrum provides various services to keep the 8864 Data Controller working accurately and efficiently. We’ve got you covered, from support and maintenance to engineering expertise to optimizing its performance to Firmware Update assistance.

Michael is always very professional and knowledgeable.
I am always confident things will be resolved quickly with him.

Dave Patterson

Consulting Engineer (Air Quality Group), Ameren

ESC Spectrum has provided excellent engineering and procurement support.

Juan Cantu

Analyzer Specialist, ENglobal

Alex was very helpful in resolving the issues that I brought to him.

Kevin Bugay

Process Engineer, Cardinal Corporation

Even though we are only data logger users, the support staff has always been extremely nice,
very timely and completely knowledgeable on the topic at hand.

John Markely

Sr. Environmental Engineer, Kyger Creek

Very helpful, understood my issue and found the fix I needed.

Dane Ruberg

Instrument Technician, Xcel Energy

Scott is fantastic, very knowledgeable and very helpful!
Always know I am going to get the help I need when he answers the phone.

Celena Arreola

Environmental Engineer, El Paso Electric

Outstanding customer service!!!

Rick Gregory

IT Specialist/Network Admin, Calumet Specialty Partners

The customer service provided was quick and the agent sent additional information.

Ann Woods

Environmental Scientist, Agua Fria Generating Station

Excellent work!

Daniel Fefer

Contractor, Exelon

Case Studies

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