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Teledyne Monitor Labs is a leading supplier of environmental monitoring
instrumentation, systems and software

Teledyne ML®660 Conventional Extractive System

The Teledyne ML®660 conventional extractive system is designed to extract and condition hot, wet stack gas for a dry basis measurement of any combination of SO2, NOx, CO, CO2, and O2. This system can be configured specifically for 40CFR60, 40CFR75, and process control applications. The Teledyne ML®660 provides a cost effective solution while still allowing for the customization required to meet individual needs. Packaged in a 19 inch rack mount, single bay cabinet, the system's modular design allows for easy expansion to satisfy future monitoring requirements as well.


  • 3-Stage Sample Conditioning - Maximum condensate removal, under any operating condition.
  • Self-diagnosing Alarm Package - Long term, unattended operation.
  • Local PLC Data Storage - Buffering capability when combined with Teledyne ML's RegPerfect®.
  • Local User interface panel provides system information and control.
  • Sole Source Responsibility - Teledyne ML uses its own sensor-e® series analyzers.
  • Ethernet connectivity - Ethernet from DAHS to PLC to analyzers allows for a level of remote support never before available.

Teledyne ML®660-OA- Open Architecture

The Teledyne ML®660-OA is designed for systems supplied with a climate controlled shelter.  The major components of the  Teledyne ML®660 are wall mounted in this design to allow for easy access for maintenance.  The system includes a rack for the analyzers (only) and a desk for the DAS.  All other components (i.e.: PLC, sample conditioning and valves) are wall mounted.

» TML® 660 Brochure

Teledyne ML®661 Total Hydrocarbon VOC/THC 
Monitoring System

The Teledyne ML®661 is a complete engineered CEMS designed to measure total hydrocarbons (THC/VOC) as required in regulatory and process control applications (Please consult our factory for more information on this product.)


  • EPA certifiable in BIF (boilers and industrial furnaces burning hazardous material) applications (40CFR266, Appendix IX, Section 2), and 40CFR503, subpart E sludge burner applications.
  • Dry basis VOC/THC reporting using wet/dry O2 measurements for stack moisture.
  • Optional speciated hydrocarbon measurements and dry basis CO, SO2, NOX concentrations.
» CEMS application setup sheet

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