MAC155 Moisture Analyzer
Mac 125 Moisture Analyzer
US EPA Compliant certified

US EPA Compliant

NEMA 4X Rated certified

NEMA 4X Rated

NIST Traceable certified

NIST Traceable

Flue Gas Analyzers for Combustion Testing and Monitoring

MAC Instruments flue gas analyzers provide precise combustion testing and continuous emission monitoring for industrial applications. Our patented solid-state moisture analyzers measure humidity in high-temperature exhaust gases up to 1200°F (optional 2400°F) without chemicals, wet bulbs, or compressed air. NEMA 4X weatherproof design ensures reliable performance in stack gas monitoring, EPA compliance, and process control applications across power generation, cement manufacturing, and metal processing industries.

Our Range of Products

MAC155 Moisture Analyzer

MAC155 Moisture Analyzer

  • Built-in 2-point calibration system
  • Measures up to 1200°F (2400°F opt.)
  • NEMA 4X outdoor-rated housing
Mac 125 Moisture Analyzer

Mac 125 Moisture Analyzer

  • No chemicals or compressed air
  • Automatic altitude compensation
  • NEMA 4X/IP53 waterproof design

Frequently Asked Questions

What temperature range can MAC flue gas analyzers measure?

Our analyzers measure stack gas moisture at temperatures up to 1200°F standard, with optional capability to 2400°F for extreme applications.

Are these analyzers EPA compliant for emission monitoring?

What makes MAC analyzers different from wet bulb methods?

Can these analyzers be installed outdoors?

How quickly do MAC analyzers respond to moisture changes?

What industries use MAC flue gas analyzers?

Do these analyzers require special calibration procedures?

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 emission monitoring for coal, biofuel, and natural gas combustion with EPA-compliant moisture measurement.

Cement Manufacturing

Cement Manufacturing

High-temperature moisture monitoring in kilns, calciners, and exhaust stacks to optimize production efficiency.

Metal Processing

Metal Processing

Stack gas analysis for furnaces and heat treatment processes requiring precise humidity control and emission compliance.

Pulp and Paper

Pulp and Paper

Moisture measurement in recovery boilers, dryers, and process exhaust systems for quality and regulatory compliance.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Industrial Process Engineers Choose MAC Instruments

Patented High-Temp Technology

Our proprietary solid-state sensors measure moisture up to 1200°F (optional 2400°F) without chemicals, wet bulbs, optics, or compressed air—ensuring consistent accuracy in extreme conditions.

EPA Compliance & NIST Traceability

Meet regulatory requirements with confidence. Our analyzers comply with US EPA standards for emission monitoring and provide NIST-traceable measurements for audit-ready documentation.

30+ Years of Reliability

Since 1990, we've been the world leader in high-temperature moisture measurement. NEMA 4X weatherproof construction and global distributor support ensure long-term performance and minimal downtime.

Get Expert Guidance on Flue Gas Analysis Solutions

Submit your requirements and our technical team will respond within 24 hours with product recommendations, pricing, and EPA compliance guidance tailored to your application.

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