Mac 125 Moisture Analyzer
MAC155 Moisture Analyzer
NIST Traceable certified

NIST Traceable

NEMA 4X Rated certified

NEMA 4X Rated

Rotary Dryer Moisture Analyzers for Aggregates & Minerals

MAC Instruments manufactures high-precision rotary dryer moisture analyzers for aggregates and minerals processing. Our patented solid-state humidity sensors measure moisture levels up to 1200°F (650°C) with ±1% accuracy, enabling real-time process control in kilns, dryers, and high-temperature applications. Designed for 24/7 operation with NEMA 4X weatherproof construction and no chemicals or compressed air required.

Our Range of Products
Mac 125 Moisture Analyzer

Mac 125 Moisture Analyzer

  • Measures up to 1200°F
  • NEMA 4X weatherproof design
  • No chemicals or air required
MAC155 Moisture Analyzer

MAC155 Moisture Analyzer

  • Built-in 2-point calibration
  • 60-second response time
  • EPA compliant monitoring

Frequently Asked Questions

What is the maximum operating temperature for rotary dryer moisture analyzers?

MAC moisture analyzers measure up to 1200°F (650°C) standard, with optional capability to 2400°F (1300°C) for ultra-high temperature applications in minerals processing.

How accurate are these moisture analyzers for aggregates drying?

Do these moisture analyzers require compressed air or chemicals?

Can these analyzers be installed outdoors on rotary dryers?

How often do MAC moisture analyzers need calibration?

What analog outputs are available for process control integration?

Are these analyzers suitable for EPA emissions compliance monitoring?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Aggregates Production

Aggregates Production

Real-time moisture control in rotary dryers and kilns ensures optimal product quality and energy efficiency in sand, gravel, and crushed stone processing.

Minerals Processing

Minerals Processing

Continuous moisture monitoring in high-temperature mineral dryers and calciners optimizes throughput and product consistency for industrial minerals.

Cement Manufacturing

Cement Manufacturing

Precise humidity measurement in cement kilns, clinker coolers, and raw mill operations improves thermal efficiency and product quality control.

Metal Processing

Metal Processing

Accurate moisture measurement in annealing furnaces and heat treatment ovens ensures proper atmospheric control for superior metal finishing quality.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Aggregates & Minerals Processors Choose MAC Instruments

Extreme Temperature Accuracy

Patented solid-state sensors deliver ±1% accuracy up to 1200°F without chemicals, wet bulbs, or compressed air. Optional capability to 2400°F for the most demanding applications.

Built for Continuous Operation

NEMA 4X weatherproof construction withstands harsh industrial environments. Designed for 24/7 monitoring with minimal maintenance and no consumables required.

30+ Years of Innovation

World leader in high-temperature moisture measurement since 1990. NIST-traceable instruments trusted by processors worldwide for process optimization and quality control.

Get Expert Guidance on Moisture Analyzer Selection

Submit your requirements and our applications engineers will respond within 24 hours with technical recommendations and pricing for your specific process conditions.

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