Endress+Hauser CM442-AAM1A2F010A+AK Smart CO2 Sensor Reliable Gas Analysis Solution

The Endress+Hauser CM442-AAM1A2F010A+AK is a high-performance, self-contained carbon dioxide (CO₂) sensor designed for continuous gas analysis across diverse industrial applications. As part of Endress+Hauser’s advanced Smart Gas Analysis portfolio, this ready-to-install solution provides accurate and reliable CO₂ monitoring in critical processes such as greenhouse climate control, beverage carbonation, pharmaceutical manufacturing, HVAC, and indoor air quality management. With its integrated sensor and transmitter design, the CM442 offers a complete plug-and-play measurement point out of the box.

Technical Specifications

Model: CM442-AAM1A2F010A+AK

Measured Component: Carbon Dioxide (CO₂)

Measurement Principle: Non-dispersive Infrared (NDIR)

Measurement Ranges: 0–500 ppm, 0–2000 ppm, 0–5000 ppm, 0–10 vol%, or 0–20 vol% CO₂ (field selectable)

Accuracy: Typically ≤ ±1% of measured value or ±30 ppm (for low ranges)

Outputs: 4–20 mA HART, two programmable switching/alarm relays

Communication: HART, optional PROFIBUS DP or Modbus RS485

Display: Integrated backlit LCD with intuitive menu navigation

Process Connection: Inline diffusion or flow cell sampling

Sensor Lifetime: Expected >10 years under normal operating conditions

Operating Temperature: –10°C to +50°C

Enclosure Rating: IP66/NEMA 4X

Key Features & Advantages

1. High-Accuracy NDIR Technology

Utilizing non-dispersive infrared (NDIR) detection, the CM442 delivers exceptional long-term stability and selectivity for CO₂, unaffected by moisture or other common cross-interfering gases. This ensures reliable data for process control and regulatory compliance.

2. All-in-One Compact Design

The sensor and transmitter are housed in a single, rugged enclosure, reducing installation complexity, footprint, and total cost of ownership. No separate analyzer cabinet or extensive sample conditioning is required.

3. Easy Configuration & Operation

The intuitive local interface with clear LCD and menu-guided setup allows quick commissioning. Remote configuration via HART or fieldbus protocols enables easy integration into existing control systems.

4. Low Maintenance & Long Service Life

With no consumables or moving parts, the CM442 requires minimal maintenance. Its robust design and long-life IR source ensure years of stable operation, reducing downtime and operational costs.

5. Versatile Application Readiness

From monitoring CO₂ in fermentation processes and beverage production to ensuring indoor air safety and optimizing greenhouse atmospheres, this single instrument adapts to a wide range of industrial and environmental applications.

Why Choose the CM442 CO₂ Sensor?

Accurate CO₂ monitoring is essential for process efficiency, product quality, safety, and environmental control. The CM442 combines Endress+Hauser’s expertise in gas analysis with user-friendly design, providing a dependable solution that enhances operational visibility and control. Whether replacing outdated equipment or implementing new monitoring points, this sensor delivers industry-proven performance.

In Stock & Ready for Immediate Delivery

We are pleased to confirm that the Endress+Hauser CM442-AAM1A2F010A+AK CO₂ sensor is currently available in our inventory. Ensure your gas analysis needs are met promptly with this high-quality, reliable instrument.

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