The AMETEK Land 4500 MkIII is a continuous opacity monitor for measuring stack opacity, optical density, and dust concentration in combustion processes. It uses double-pass transmissometry with a pulsed LED light source to provide stable readings across industrial ducts and stacks. The monitor supports environmental compliance programs and meets the performance requirements of ASTM D6216.
The 4500 MkIII is typically installed on boilers, heaters, furnaces, incinerators, and other combustion sources in power generation, hydrocarbon processing, steel, and general industry. Its optical design helps limit measurement errors caused by misalignment, temperature changes, vibration, and electronic drift. Automatic zero and upscale checks support ongoing data quality, while the built-in display allows local setup without a separate computer. Condensed water must be kept out of the measurement path.
Key applications
- Continuous emissions and opacity monitoring
- Industrial boilers and combustion heaters
- Furnaces, incinerators, and thermal oxidizers
- Power generation and hydrocarbon processing
- Steel and other high-temperature processes
