One Source for Continuous Emission Measurement
Specialists in CEMS and DAHS sales, service, and regulatory compliance support, backed by the only factory-authorized Teledyne field service team in the U.S.
Serving CEMS and DAHS customers nationwide.
What We Do
CEMSource delivers comprehensive CEMS and DAHS solutions, from initial system design and installation through ongoing maintenance, troubleshooting, and regulatory compliance support.
Preventive Maintenance & Service Agreements
Scheduled maintenance plans that reduce unplanned outages, extend equipment life, and ensure audit-ready documentation for regulatory reviews.
Learn moreOn-Call / Emergency Support
Experienced field technicians ready to diagnose and repair issues across all CEMS makes and models, minimizing downtime and keeping your systems compliant.
Learn moreStartup, Commissioning & Retrofits
On-site startup, commissioning, and installation assistance for new CEMS systems, plus retrofit planning and execution for aging equipment.
Learn moreDAHS / RegPerfect Support
Full-service sales, integration, and ongoing support for Teledyne Monitor Labs analyzers and RegPerfect data acquisition systems.
Learn moreWhy CEMSource
Decades of Combined Experience
Our team has been working in the CEMS industry since the 1980s. We've seen it all, and we know how to fix it fast.
Responsive Field Service
Experienced technicians who understand the unique demands of power plants and industrial facilities, ready to respond wherever you are.
Factory-Authorized Teledyne Expertise
As the only factory-authorized field service provider, distributor, and RegPerfect software partner in the U.S. outside of the factory, we have direct access to engineering support and OEM parts.
Built for Regulatory Compliance
CEMSource systems and services help you meet federal and state emissions monitoring requirements under 40 CFR Parts 60, 63, 75, and 98, as well as local permit conditions.
We provide the technical tools and field expertise. You retain responsibility for interpreting regulatory obligations and ensuring your facility's compliance strategy aligns with applicable rules.
Reliability You Can Count On
Unplanned CEMS downtime can mean lost data, expensive substitute data procedures, and regulatory scrutiny. Our preventive maintenance programs and rapid-response troubleshooting are designed to keep your systems running.
Whether it's a routine calibration or an urgent midnight call, CEMSource responds with the same commitment to getting you back online quickly and correctly.
Ready to discuss your CEMS needs?
Schedule a system review, request a quote, or ask about our service agreements.
Get in Touch