
MAC155 Moisture Analyzer
- Built-in 2-point calibration
- Up to 2400°F temperature capability
- NEMA 4X waterproof outdoor design


NIST-Traceable
US EPA Compliant
NEMA 4X Rated
MAC Instruments' stack emission monitoring systems provide continuous, accurate moisture measurement for industrial compliance and process control. Our patented solid-state analyzers operate in extreme temperatures up to 2400°F without chemicals, wet bulbs, or compressed air. Designed for EPA regulatory compliance, these NEMA 4X weatherproof instruments deliver instant readings for power generation, cement manufacturing, metal processing, and other demanding industrial applications requiring 24/7 emission monitoring.


The MAC155 handles up to 1200°F standard (2400°F optional), while the MAC125 measures up to 1200°F/650°C, including in-flame conditions for extreme industrial environments.
Talk to our experts for custom solutions and tailored guidance.

Continuous emission monitoring for coal, biofuel, and natural gas power plants ensuring EPA compliance and optimal combustion efficiency.

High-temperature moisture measurement in kilns and calciners for process control and regulatory compliance during cement production.

Stack gas monitoring in furnaces and high-temperature metal processing operations for quality control and emission compliance.

Humidity measurement in dryers and exhaust systems for paper manufacturing process optimization and environmental compliance.
Talk to our experts for custom solutions and tailored guidance.
Patented solid-state technology measures moisture accurately up to 2400°F without wet bulbs, optics, mirrors, or compressed air—ideal for the harshest industrial environments.
NIST-traceable accuracy meets US EPA requirements for continuous emission monitoring, helping you maintain compliance with confidence and avoid costly regulatory penalties.
Over 30 years of precision instrument manufacturing in Sandusky, Ohio. World-leading expertise in high-temperature moisture measurement with installations at hundreds of global locations.
Connect with our technical specialists to discuss your compliance requirements. Expect a detailed consultation on system configuration, installation, and regulatory support.
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