
MAC155 Moisture Analyzer
- Built-in 2-point calibration
- Up to 2400°F temperature rating
- NEMA 4X outdoor installation


NIST Traceable
US EPA Compliant
NEMA 4X Rated
MAC Instruments' Chimney Emission Monitoring Systems deliver precise, continuous moisture measurement in industrial exhaust stacks and flues. Engineered for extreme temperatures up to 2400°F, our CEMS solutions ensure EPA regulatory compliance across power generation, cement manufacturing, and metal processing applications. Featuring patented solid-state sensors and NEMA 4X waterproof construction, these systems provide reliable 24/7 monitoring without wet bulbs, optics, or compressed air.


A Continuous Emission Monitoring System (CEMS) measures pollutant concentrations and flow rates in industrial exhaust stacks to ensure EPA regulatory compliance and environmental protection standards.
Talk to our experts for custom solutions and tailored guidance.

Monitor stack moisture in coal, biofuel, and natural gas facilities for EPA compliance and combustion efficiency optimization.

Continuous kiln and calciner exhaust monitoring ensures quality control and environmental compliance in cement production.

High-temperature furnace and smelter exhaust monitoring for process control and regulatory emission compliance in metallurgy.

Recovery boiler and dryer exhaust measurement for process efficiency and environmental compliance in paper manufacturing.
Talk to our experts for custom solutions and tailored guidance.
Patented solid-state sensors withstand up to 2400°F without wet bulbs, mirrors, or compressed air, ensuring continuous accuracy in the harshest stack environments.
NIST-traceable measurements and US EPA-compliant design guarantee regulatory adherence for continuous emission monitoring with verifiable accuracy and documentation.
Since 1990, MAC Instruments has engineered industry-leading moisture analyzers with built-in calibration systems, serving hundreds of installations worldwide with proven reliability.
Submit your requirements and receive a detailed consultation from our technical team within 24 hours, including product recommendations and compliance documentation.
For immediate assistance, feel free to give us a direct call at 419.621.2322 You can also send us a quick email at info@macinstruments.com
For immediate assistance, feel free to give us a direct call at 419.621.2322 You can also send us a quick email at info@macinstruments.com