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Spare Parts

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

Our Data Acquisition Systems (DAS) are the premier Continuous Emission Monitoring Systems (CEMS) in the U.S.  The StackVision DAS software and the 8864 Data Controller hardware unite to create the most robust, reliable DAS solution available for air compliance monitoring needs, including CEMS, continuous opacity monitoring systems (COMS) and continuous parametric monitoring systems (CPMS). The Prism DAS software helps customers meet current and future regulatory agency reporting requirements. 

RATAView software 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.

Our hardware and software solutions are backed by a wide range of services, including Reporting, Engineering and IT services. We provide expert CEMS Services including quarterly maintenance, training, 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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