Endress Hauser 1/2/4-channel Transmitter Liquiline CM442 CM444

High-Performance 1/2/4-Channel Water Analysis Controllers for Industrial Applications

The Endress+Hauser Liquiline CM442 and CM444 are compact, modular multiparameter transmitters designed for precise and continuous monitoring of water quality in industrial, environmental, and municipal processes. Built on the Liquiline platform, both transmitters use Memosens digital sensor technology, providing exceptional measurement reliability, simple maintenance, and strong integration with automation systems.

• Supports 1 or 2 Memosens sensors
• Ideal for applications requiring compact, space-saving monitoring
• Perfect for basic water analysis or single-point measurements

• Supports up to 4 Memosens sensors
• Designed for more complex systems needing multiple water quality parameters
• Excellent for wastewater plants, industrial processing, and multi-parameter monitoring stations

Both transmitters feature modular channel expansion, intelligent diagnostics, and wide industrial communication compatibility.

Compatible with all Memosens digital sensors, including:

• pH / ORP
• Conductivity
• Dissolved Oxygen
• Turbidity
• Chlorine (free/total)
• Nitrate, SAC / UV
• Temperature
• And more

• CM442: 1–2 channels
• CM444: Up to 4 channels
• Add or replace input modules at any time

• Contactless, corrosion-free signal transmission
• Plug-and-play sensor replacement
• Sensors store calibration data internally
• Maximizes uptime and measurement stability

• Drift monitoring and calibration alerts
• Sensor health display
• Automatic sensor recognition
• Ensures continuous, accurate operation

Both CM442 and CM444 support:

• Modbus TCP
• PROFIBUS
• PROFINET
• EtherNet/IP
• HART
• Seamless SCADA/DCS integration
• Remote configuration & monitoring

• Weatherproof housing (IP66/IP67)
• Suitable for indoor or outdoor use
• Wall, panel, or pipe mounting configurations

• Industrial wastewater treatment
• Drinking water treatment and distribution
• Desalination and seawater processing
• Power plant cooling water monitoring
• Chemical and petrochemical processing
• Food & beverage production water
• Pharmaceutical and ultrapure water systems

• Highly flexible multiparameter measurement
• Reliable digital Memosens technology
• Simple installation, fast commissioning
• Low maintenance and long-term stability
• Strong industrial communication options
• Global brand reliability from Endress+Hauser

Email: edwardzhao@gbsxj.com
Phone: +86-15000725058

We supply Endress+Hauser transmitters worldwide with fast delivery and professional technical support.