
MAC155 Moisture Analyzer
- Built-in 2-point calibration
- EPA compliant for stack monitoring
- 60-second response time



NIST-Traceable Certified
MAC Instruments offers advanced solid state temperature and humidity sensor solutions engineered for extreme industrial environments. Our patented moisture analyzers deliver precise measurements up to 1200°F without chemicals, wet bulbs, or compressed air. Designed for power generation, cement manufacturing, metal processing, and food production, these NEMA 4X-rated sensors provide reliable, continuous monitoring for process optimization and regulatory compliance.



Our sensors measure from 40°F to 1200°F standard, with optional configurations up to 2400°F for extreme high-temperature industrial processes.
Talk to our experts for custom solutions and tailored guidance.

Monitor stack emissions and optimize combustion efficiency in coal, biofuel, and natural gas power plants with continuous moisture measurement.

Control moisture in kilns, calciners, and dryers for consistent product quality and energy efficiency in cement production processes.

Maintain optimal steam quality and moisture levels in continuous ovens for cooking, drying, and pasteurizing operations to maximize yield.

Ensure precise humidity control in furnaces and heat treatment processes for consistent metallurgical properties and product quality.
Talk to our experts for custom solutions and tailored guidance.
Our patented solid-state sensors accurately measure humidity up to 1200°F standard, with optional 2400°F capability—no other technology comes close in extreme conditions.
No chemicals, wet bulbs, optics, mirrors, or compressed air required. Our sensors deliver consistent performance without consumables or complex calibration procedures.
Since 1990, we've been the world leader in high-temperature moisture measurement, providing NIST-traceable accuracy for hundreds of installations globally.
Our application engineers will help you select the optimal sensor configuration for your temperature range, measurement needs, and installation requirements. Expect a response 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