MAC155 Moisture Analyzer
Mac 125 Moisture Analyzer
NIST-Traceable Measurement certified

NIST-Traceable Measurement

US EPA Compliant certified

US EPA Compliant

NEMA 4X Rated certified

NEMA 4X Rated

Stack Moisture Monitoring for Steel Plants

Stack moisture monitoring systems engineered for steel plants and heavy industrial applications. MAC Instruments' moisture analyzers deliver continuous, real-time humidity measurement in extreme exhaust gas temperatures up to 1200°F standard (2400°F optional). Our patented solid-state technology eliminates wet bulbs, optics, and compressed air requirements while providing EPA-compliant emission monitoring. Built for 24/7 operation in harsh environments with NEMA 4X weatherproof construction.

Our Range of Products

MAC155 Moisture Analyzer

MAC155 Moisture Analyzer

  • Built-in 2-Point Daily Calibration
  • Fast 60-Second Response Time
  • Up to 2400°F Temperature Capability
Mac 125 Moisture Analyzer

Mac 125 Moisture Analyzer

  • Patented Solid-State Technology
  • NEMA 4X Outdoor-Rated Enclosure
  • No Compressed Air Required

Frequently Asked Questions

What temperature range can these stack moisture analyzers measure?

Standard models measure up to 1200°F, with optional configurations available for ultra-high temperatures up to 2400°F, making them ideal for steel plant exhaust stacks and furnaces.

How do these systems comply with EPA emission monitoring requirements?

What makes the MAC155 different from the MAC125 moisture analyzer?

Can these analyzers be installed outdoors in harsh environments?

What maintenance is required for stack moisture monitoring systems?

How quickly do these analyzers respond to moisture changes?

What industries besides steel plants use these moisture analyzers?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Steel & Metal Processing

Steel & Metal Processing

Continuous stack moisture monitoring for annealing furnaces, heat treatment ovens, and exhaust stacks with temperature capability up to 2400°F.

Power Generation

Power Generation

EPA-compliant moisture measurement for coal, biomass, and natural gas boiler exhaust stacks and HRSG systems in combined cycle plants.

Cement Manufacturing

Cement Manufacturing

High-temperature humidity control for cement kilns, clinker coolers, and raw mill exhaust with altitude-compensated measurement accuracy.

Pulp & Paper Processing

Pulp & Paper Processing

Recovery boiler and dryer section moisture analysis for process optimization and emission compliance in paper manufacturing facilities.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Steel & Metal Processing Plants Choose MAC Instruments

Extreme Temperature Capability

Patented solid-state sensors measure moisture in exhaust gases up to 2400°F without wet bulbs, optics, or compressed air. Proven reliability in the harshest steel plant environments with NIST-traceable accuracy.

EPA-Compliant Monitoring

Built-in calibration systems and regulatory-compliant design ensure accurate emission monitoring for stack gas compliance. Automatic altitude compensation and precise analog outputs meet strict environmental standards.

30+ Years Manufacturing Excellence

World leader in high-temperature moisture measurement since 1990. NEMA 4X weatherproof construction, global distributor support, and field calibration services ensure continuous 24/7 operation in demanding industrial applications.

Get Expert Guidance on Stack Moisture Monitoring Solutions

Request a quote and our technical team will respond within 24 hours with application-specific recommendations, sizing guidance, and pricing for your steel plant monitoring needs.

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