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Sorbent Trap Monitoring System

The automated STM-12B MercSampler for Sorbent Trap Monitoring Systems is designed for continuous dual sampling of vapor-phase mercury emissions from stationary combustion sources, in accordance with the U.S. EPA MATS published in 40 CFR, Part 60-63, Appendix A, Subpart UUUUU and Performance Specification 12B.

Advantages of Sorbent Trap Monitoring

  • Simple to install and operate
  • Highly accurate
  • Very low detection levels
  • Sample captured directly in the stack
  • Suitable for long term sampling
  • NIST-traceable SRM for QA/QC
  • No calibration gas required
  • Traps are non-hazardous, easy to ship to lab

MercSampler Firmware and Software

The MercSampler automated software works with a Windows-based platform and allows the operator to quickly set up test profiles, perform sample runs, calibrate the sensor and gas meter, run quarterly audits, and download test data at any time. The intuitive interface can be run from a local PC or remote network connection.

The Apex Instruments engineered firmware has been designed to allow the unit to operate autonomously, while simultaneously receiving operating data from both analog and Modbus signal inputs.

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