MAC155 Moisture Analyzer
Mac 125 Moisture Analyzer
NIST-Traceable Certified

NIST-Traceable Certified

EPA Compliant certified

EPA Compliant

NEMA 4X Rated certified

NEMA 4X Rated

Flue Gas Moisture Measurement for NOx & SO₂ Correction

MAC Instruments offers advanced flue gas moisture analyzers designed for precise NOx and SO₂ emission correction in industrial applications. Our MAC155 and MAC125 systems feature patented solid-state sensors that deliver accurate, real-time moisture measurements in extreme temperatures up to 2400°F. With NEMA 4X weatherproof construction and no compressed air or wet bulb requirements, these analyzers ensure EPA compliance and continuous emission monitoring across power generation, cement manufacturing, and metal processing facilities worldwide.

Our Range of Products

MAC155 Moisture Analyzer

MAC155 Moisture Analyzer

  • Built-in 2-point calibration system
  • Ultra-high temp to 2400°F optional
  • 60-second response time
Mac 125 Moisture Analyzer

Mac 125 Moisture Analyzer

  • No compressed air required
  • Auto altitude compensation
  • NEMA 4X outdoor-rated enclosure

Frequently Asked Questions

How do you measure moisture in gas?

MAC Instruments uses patented solid-state humidity sensors that directly measure water vapor pressure in gas streams without wet bulbs, mirrors, optics, or compressed air, providing accurate real-time readings.

What is the purpose of a flue gas analyzer?

What temperature range can these analyzers withstand?

How often do these moisture analyzers require calibration?

Can these analyzers be installed outdoors?

What industries use flue gas moisture analyzers?

How quickly do these analyzers respond to moisture changes?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Power Generation

Power Generation

Continuous moisture monitoring in coal, biomass, and natural gas boiler exhausts for EPA compliance and combustion efficiency optimization.

Cement Manufacturing

Cement Manufacturing

Flue gas moisture measurement in cement kilns and clinker coolers for emission correction and heat recovery optimization.

Metal Processing

Metal Processing

High-temperature moisture analysis in steel plant stacks, annealing furnaces, and heat treatment operations for process control.

Pulp & Paper Mills

Pulp & Paper Mills

Recovery boiler and paper dryer exhaust moisture monitoring for regulatory compliance and energy efficiency in pulp manufacturing.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

MAC155 Moisture Analyzer

Flue Gas Moisture Analyzers for Waste-to-Energy Plants

MAC Instruments' flue gas moisture analyzers deliver precise, real-time humidity measurement in waste-to-energy plant exhaust streams. Engineered for continuous emission monitoring, these patented solid-state analyzers withstand temperatures up to 2400°F without requiring wet bulbs, optics, or compressed air. NEMA 4X waterproof construction ensures reliable 24/7 operation in harsh outdoor environments while maintaining EPA regulatory compliance for stack gas monitoring.
Learn More
MAC155 Moisture Analyzer

Flue Gas Moisture Measurement for Combustion Efficiency

MAC Instruments offers advanced flue gas moisture measurement systems engineered for combustion efficiency monitoring and emissions compliance. Our patented solid-state moisture analyzers deliver NIST-traceable accuracy in extreme temperatures up to 2400°F, featuring built-in calibration and NEMA 4X weatherproof construction. Ideal for power generation, cement kilns, boiler stacks, and industrial furnaces requiring continuous emission monitoring.
Learn More
MAC155 Moisture Analyzer

Hot-End Furnace Exhaust Moisture Measurement

Advanced moisture analyzers for hot-end furnace exhaust measurement, featuring patented solid-state technology for high-temperature flue gas monitoring. Engineered for continuous stack emission monitoring up to 1200°F (2400°F optional), these systems deliver accurate, real-time humidity measurements for EPA compliance and process optimization in power generation, cement manufacturing, and metal processing applications.
Learn More

Why Power Generation & Industrial Facilities Choose MAC Instruments

Proven High-Temperature Expertise

Over 30 years leading high-temperature moisture measurement technology with patented solid-state sensors that operate reliably in extreme conditions up to 2400°F without compressed air or wet bulb maintenance.

EPA Compliance Assurance

NIST-traceable accuracy and built-in calibration systems ensure continuous regulatory compliance for NOx and SO₂ emission monitoring with minimal downtime and complete documentation support.

Weatherproof Reliability

NEMA 4X/IP53 rated enclosures withstand harsh outdoor environments while delivering consistent performance 24/7, reducing maintenance costs and extending equipment lifespan in demanding industrial applications.

Get Expert Guidance on Flue Gas Moisture Measurement Solutions

Our technical team will help you select the right analyzer for your emission monitoring requirements. Expect detailed product recommendations and quote within 24 hours.

Contact Us Today

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