Endress+Hauser CM442-AAM2A2F010A+AK Liquiline Transmitter

The Endress+Hauser CM442-AAM2A2F010A+AK Liquiline CM442 is a sophisticated multi-parameter transmitter designed for reliable measurement of key liquid analysis parameters in demanding industrial applications. This versatile 1- or 2-channel device serves as the central intelligence for monitoring conductivity, resistivity, pH, ORP (redox), dissolved oxygen, ozone, and chlorine across water treatment, pharmaceutical, food & beverage, and chemical processing industries. With its modular design and intuitive operation, the CM442 delivers laboratory-grade accuracy in continuous process environments while significantly reducing maintenance complexity.

Technical Specifications

Model: CM442-AAM2A2F010A+AK

Type: 1-/2-channel digital transmitter for liquid analysis

Input Channels: Configurable for 1 or 2 independent measurement points

Compatible Sensors: Memosens digital sensors (pH, ORP, conductivity, oxygen, ozone, chlorine) and analog sensors

Measurement Parameters: pH, ORP, conductivity/resistivity, dissolved oxygen, ozone, chlorine, temperature

Display: Large, high-contrast color graphical display with multi-language support

Outputs: 2x programmable analog outputs (4-20 mA), 3x relay outputs, 1x Ethernet (Modbus TCP/IP)

Communications: USB, Ethernet, optional PROFIBUS DP, Modbus RS485

Power Supply: 100-240 V AC, 50/60 Hz or 24 V DC

Protection Rating: IP66/NEMA 4X front panel for harsh environments

Certifications: CE, ATEX, IECEx, FM, CSA for hazardous area applications

Installation: Panel-mount or field-mount (with optional housing)

Key Features & Advantages

Dual-Channel Versatility with Memosens Technology

The CM442 supports two completely independent measurement channels in a single compact device, effectively cutting hardware costs and panel space by 50%. Its native compatibility with Memosens digital sensors ensures drift-free measurement, predictive maintenance through sensor diagnostics, and exceptional data integrity through non-contact, corrosion-free digital transmission.

Unmatched Measurement Accuracy & Stability

Advanced signal processing algorithms and temperature compensation deliver ±0.5% accuracy for conductivity and ±0.01 pH resolution. The device maintains stability even in electrically noisy environments, providing consistent, reliable data for process control and regulatory compliance.

Intuitive Operation & Smart Diagnostics

The color graphical interface with plain-text guidance simplifies configuration, calibration, and daily operation. Comprehensive onboard diagnostics monitor sensor health, calibration status, and process conditions, alerting operators to issues before they affect product quality or process safety.

Future-Proof Connectivity & Integration

With built-in Ethernet and support for major industrial protocols (PROFIBUS DP, Modbus), the CM442 integrates seamlessly into Plantweb digital ecosystems and traditional control architectures. The USB port enables easy data export and configuration backup.

Robust Design for Demanding Applications

The IP66/NEMA 4X rated front panel withstands washdowns and harsh outdoor conditions. Comprehensive international hazardous area certifications (ATEX, IECEx, FM, CSA) make it suitable for installation in chemically challenging and explosive atmospheres.

Application Benefits

Water & Wastewater Treatment: Monitor pH and conductivity in inlet, neutralization, and effluent streams with dual-channel efficiency.

Pharmaceutical & Biotech: Achieve FDA 21 CFR Part 11 compliant data integrity for water-for-injection (WFI) and purified water systems.

Power Generation: Protect turbines and boilers with reliable pH and conductivity measurements in condensate and feedwater.

Food & Beverage: Ensure product consistency and cleaning (CIP) effectiveness with precise multi-parameter monitoring.

Immediate Availability

We are pleased to confirm that the Endress+Hauser CM442-AAM2A2F010A+AK Liquiline transmitter is currently in stock and ready for immediate shipment. This ensures minimal lead time for your system upgrades, expansions, or replacement projects.

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