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

NIST-Traceable Measurement

US EPA Compliant certified

US EPA Compliant

NEMA 4X certified

NEMA 4X

Flue Gas Analysis in Coal-Fired Boilers

MAC Instruments offers advanced moisture analyzers designed specifically for flue gas analysis in coal-fired boilers and other high-temperature industrial processes. Our patented solid-state sensors measure absolute humidity up to 1200°F standard (optional to 2400°F) without chemicals, wet bulbs, or compressed air. Built for EPA compliance and 24/7 emission monitoring, these NEMA 4X-rated instruments deliver accurate, real-time moisture readings critical for optimizing combustion efficiency and meeting regulatory requirements.

Our Range of Products
MAC155 Moisture Analyzer

MAC155 Moisture Analyzer

  • Built-in 2-point calibration
  • Readings up to 1200°F standard
  • NEMA 4X waterproof design
Mac 125 Moisture Analyzer

Mac 125 Moisture Analyzer

  • No chemicals or compressed air
  • Automatic altitude compensation
  • Easy stack mounting capability

Frequently Asked Questions

What temperature range can MAC moisture analyzers handle in coal-fired boilers?

Our analyzers measure moisture at temperatures up to 1200°F standard, with optional configurations reaching 2400°F for extreme high-temperature applications in coal-fired boiler stacks.

Are MAC instruments EPA compliant for emission monitoring?

How quickly do the analyzers respond to moisture changes?

What maintenance is required for MAC moisture analyzers?

Can these analyzers be installed outdoors on emission stacks?

What measurement ranges are available for different boiler applications?

How does the patented technology differ from traditional moisture measurement methods?

What power supply options are available for the moisture analyzers?

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

Coal, biofuel, and natural gas power plants use our analyzers for continuous emission monitoring and combustion optimization.

Cement Manufacturing

Cement Manufacturing

Monitor moisture in kiln exhaust gases to optimize fuel efficiency and product quality in cement production processes.

Metal Processing

Metal Processing

Measure humidity in furnace flues and heat treatment processes to ensure quality control and energy efficiency.

Paper Processing

Paper Processing

Control moisture levels in paper dryers and boiler emissions to maintain product 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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MAC Instruments manufactures online gas analyzers for continuous industrial emission monitoring and process control. Our moisture analyzers measure humidity in high-temperature exhaust gases up to 2400°F, featuring patented solid-state technology with no wet bulbs, optics, or compressed air. NEMA 4X waterproof designs ensure reliable EPA-compliant stack monitoring for power generation, cement manufacturing, metal processing, and food production facilities worldwide.

Why Power Generation Facilities Choose MAC Instruments

Extreme Temperature Capability

Our patented sensors withstand stack temperatures up to 1200°F standard (2400°F optional), delivering accurate moisture readings where other technologies fail in coal-fired boiler environments.

EPA Regulatory Compliance

NIST-traceable measurements and US EPA-compliant design ensure your continuous emission monitoring systems meet all federal and local regulatory requirements without compromise.

No Maintenance Solid-State Design

Patented technology eliminates wet bulbs, mirrors, optics, and compressed air—reducing maintenance costs and downtime while providing instantaneous, reliable moisture measurements 24/7.

Get Expert Support for Your Flue Gas Analysis Requirements

Submit your specifications and receive personalized technical guidance from our moisture measurement experts 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