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ESC Spectrum provides industry-leading products and services for customers in the electric power and petroleum industries.

Data Acquisition Systems (DAS) and Services: StackVision and Prism are the leading Continuous Emission Monitoring (CEM) Data Acquisition Systems for facilities in the U.S. Both work seamlessly with the 8864 Data Controller to collect, monitor, QA, and report on emissions data from continuous monitoring systems accurately and reliably. Use FleXReports to securely export data from StackVision™ into Microsoft® Excel for maximum flexibility.  Partner with expert teams of Reporting, Engineering, and IT experts for help with CEM challenges.

Quality Assurance (QA) Test Activity Software: QAInsight helps facilities solve the challenges of scheduling, planning, and tracking activities related to performing Quality Assurance (QA) tests required by state and federal agencies. It gives operators fleetwide visibility into all QA test activities.

Stack Testing Software: RATAView helps stack testers perform Relative Accuracy Test Audit (RATA) tests accurately and efficiently to meet complex regulations, including requirements around testing frequency, calculations, data gathering, and data retention.

CEMS Systems and Services: We have decades of experience custom-building CEMS Systems to unique specifications. Partner with our professional CEMS Services team for quarterly maintenance and training, as well as mobile testing, stack testing, repair, calibration, and more.


RATAView software helps stack testers perform Relative Accuracy Test Audits (RATA) tests accurately and efficiently to meet complex regulations, including requirements around testing frequency, calculations, data gathering and data retention. It’s packaged with an 8864 Data Controller, the most widely-used device in the industry for data collection, computation and storage. Plus, it’s highly configurable to meet your needs and easy to implement – you can run it from a standard workstation PC.

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Comply With Regulations & Conduct RATA Tests Faster

RATAView is an intuitive subscription software that helps you comply with 40 CFR Parts 60 and 75 requirements which define standards of performance for new stationary sources and continuous emission monitoring systems. The software was developed by stack testers for stack testers and is custom-built for RATA testing operations. Calculations are pre-programmed and saved testing configurations can be reused to optimize efficiency.

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Includes Robust 8864 Data Controller Hardware

Your RATAView subscription includes an 8864 Data Controller. The most used data controller in the industry, this hard-working device provides reliable, robust data collection and computation with enviable storage capabilities and network speeds.

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Superior Customer Support and Feature Updates

RATAView is the only RATA testing software backed by a 24/7 customer support team and in constant development. The software is updated bi-annually with new features to ensure it evolves with changing industry needs.

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Ready to Learn More?

Contact the ESC Sales Team. We'd love to hear from you! or 512-250-7902

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