
MAC155 Moisture Analyzer
- Built-in 2-point calibration system
- Measures up to 2400°F optional
- NEMA 4X waterproof outdoor design



NIST-Traceable Certified
MAC Instruments' online gas analysis systems deliver continuous emission monitoring for industrial compliance and process optimization. Our NIST-traceable moisture analyzers measure stack gas humidity from 3% to 60% by volume in temperatures up to 2400°F, with EPA-compliant accuracy for power generation, cement, metals, and paper industries. Featuring patented solid-state sensors with no wet bulbs or compressed air, our weatherproof NEMA 4X systems provide reliable 24/7 monitoring.



What temperature range can MAC moisture analyzers measure?
Standard models measure up to 1200°F, with optional configurations available for ultra-high temperatures up to 2400°F for extreme industrial applications.
Are these systems EPA compliant for emission monitoring?
How often does the system require calibration?
Can these analyzers be installed outdoors?
What maintenance is required for continuous operation?
What measurement ranges are available?
How fast do these analyzers respond to changes?
Talk to our experts for custom solutions and tailored guidance.

Continuous moisture monitoring in boiler exhaust and HRSG stacks for coal, biomass, and natural gas combustion efficiency and NOx/SO₂ emission correction.

Stack moisture analyzers for cement kiln exhaust and clinker cooler monitoring to optimize heat recovery, ensure quality control, and maintain regulatory compliance.

Moisture measurement in steel plant recovery boilers, heat treatment furnaces, and annealing lines for process optimization and emission compliance monitoring.

Recovery boiler moisture analyzers and paper machine dryer exhaust monitoring for pulp mill process control and environmental compliance in papermaking operations.
Talk to our experts for custom solutions and tailored guidance.



World-leading moisture analyzers measure up to 2400°F with patented solid-state sensors. No wet bulbs, optics, or compressed air required for reliable operation.
NIST-traceable measurement capabilities ensure regulatory compliance. Built-in calibration systems deliver ±1% accuracy for continuous emission monitoring requirements.
NEMA 4X/IP66 rated construction withstands harsh outdoor conditions. Proven performance across hundreds of global installations since 1990 with minimal maintenance.
Submit your requirements and our instrumentation specialists will respond within 24 hours with technical recommendations and pricing for your application.
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