
Mac 125 Moisture Analyzer
- Measures up to 1200°F (650°C)
- NEMA 4X waterproof design
- No chemicals or compressed air



NIST-Traceable
MAC Instruments' gypsum board dryer moisture analyzers deliver precise, real-time humidity measurement in high-temperature manufacturing environments up to 1200°F. Our patented solid-state sensors provide instant, accurate moisture readings without wet bulbs, optics, or compressed air, ensuring optimal drying efficiency and product quality. Built with industrial-grade stainless steel construction and NEMA 4X/IP53 protection, these analyzers withstand harsh conditions while maintaining consistent performance for 24/7 process monitoring.



What is an acceptable moisture reading for drywall?
Acceptable moisture content for finished drywall typically ranges from 5-12%. Our analyzers monitor dryer exhaust to maintain optimal moisture levels during manufacturing for consistent product quality.
How much moisture should be in gypsum board?
How do MAC moisture analyzers work in high-temperature dryers?
What response time can I expect from these analyzers?
Can these analyzers withstand outdoor installation?
How often do MAC analyzers require calibration?
What installation options are available for gypsum dryers?
Talk to our experts for custom solutions and tailored guidance.

Monitor dryer moisture levels in real-time to optimize energy efficiency and ensure consistent board quality meeting ASTM standards.

Precise humidity measurement in kilns, calciners, and clinker coolers for heat recovery optimization and raw material drying control.

EPA-compliant stack gas monitoring for coal, biomass, and natural gas combustion systems ensuring emission compliance and efficiency.

Sanitary steam quality monitoring and dryer moisture control for cooking, drying, and pasteurizing operations with NEMA 4X protection.
Talk to our experts for custom solutions and tailored guidance.



Patented solid-state sensors accurately measure moisture in extreme environments up to 1200°F without wet bulbs, optics, or compressed air. Proven reliability in hundreds of installations worldwide.
NEMA 4X/IP53 rated waterproof construction with stainless steel components withstands harsh manufacturing conditions. Designed for continuous outdoor operation and 24/7 process monitoring.
Since 1990, MAC Instruments has been the world leader in high-temperature moisture measurement. NIST-traceable calibration ensures regulatory compliance and consistent performance.
Our technical specialists will help you select the right analyzer for your gypsum board drying process. Expect a detailed consultation within 24 hours.
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
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