Instrument: Tekran 2537X Automated Ambient Air Analyzer

Acronym:
 Tekran 2537X
Description

The Tekran 2537X performs continuous long-term, unattended analysis of gaseous elemental mercury. 

More information from the manufacturer:
https://www.tekran.com/products/ambient-air/tekran-model-2537-cvafs-automated-mercury-analyzer/