
MAC155 Moisture Analyzer
- Built-in 2-point calibration
- 60-second fast response time
- Up to 2400°F measurement range


NIST Traceable
US EPA Compliant
NEMA 4X Rated
Stack Moisture Analyzers for Emissions Compliance deliver precise, continuous moisture measurement in exhaust gases for regulatory monitoring. Engineered with patented solid-state technology, these analyzers operate reliably in extreme temperatures up to 1200°F (optional 2400°F) without wet bulbs, mirrors, or compressed air. NEMA 4X weatherproof construction ensures dependable 24/7 operation for EPA compliance in power generation, cement manufacturing, metal processing, and other industrial applications.


What is stack emission monitoring?
Stack emission monitoring is continuous measurement of pollutants and moisture in industrial exhaust gases to ensure EPA regulatory compliance and optimize combustion efficiency.
How to measure moisture content in gas?
What temperature range do stack moisture analyzers handle?
How often do stack moisture analyzers require calibration?
Are stack moisture analyzers weatherproof for outdoor installation?
What industries use stack moisture analyzers?
How quickly do stack moisture analyzers respond to changes?
Talk to our experts for custom solutions and tailored guidance.

Continuous moisture monitoring in coal, biomass, and natural gas boiler exhaust for emissions compliance and combustion efficiency.

Moisture measurement in cement kiln exhaust gases and clinker cooler systems for process optimization and regulatory compliance.

High-temperature moisture monitoring in steel plant furnaces, annealing lines, and heat treatment ovens for quality control.

Moisture analysis in recovery boiler exhaust and paper machine dryer sections for energy efficiency and process control.
Talk to our experts for custom solutions and tailored guidance.



Patented solid-state sensors measure moisture accurately up to 2400°F in stack gases without wet bulbs, optics, mirrors, or compressed air, ensuring reliable EPA compliance monitoring.
NEMA 4X rated construction withstands harsh outdoor environments with continuous operation in ambient temperatures from -40°F to 120°F for uninterrupted emissions monitoring.
Over 30 years of precision instrumentation expertise with built-in calibration systems and NIST-traceable measurements delivering ±1% accuracy for regulatory compliance confidence.
Connect with our instrumentation specialists for technical guidance, application support, and custom solutions. Expect a response within 24 hours.
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