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Spare Parts

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.

The CEMS Parts You Need

ESC Spectrum has an extensive variety of parts for your Continuous Emissions Monitoring System (CEMS), ranging from the most common to the hardest to find.

Spare Parts Information Sheet


An Extensive Selection of CEMS Parts

We maintain an extensive variety of parts, including analyzers, probes, pumps, collers, PMTs, specialty gaskets, filters and more.

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Fast Shipping

Need a part as soon as possible? in stock items can be shipped same day with overnight service or drop shipped from the factory.

List of Parts and Manufacturers


Obsolete and Hard-to Find Items

ESC Spectrum can assist you in finding obsolete and hard to get items in addition to third party solutions proven to increase up-time over original designed components.

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Ready to Learn More?

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

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