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Liquiline CM442

1-/2-channel transmitter

Expandable multiparameter field device for all industries

Liquiline CM442 is a digital multiparameter transmitter for process monitoring and controlling in any application. The 1-/2-channel controller saves you time and money by offering seamless system integration, simple operation and a reduced need for spare part stock. Liquiline CM442 provides you with all the benefits of a best-in-class transmitter platform from clever simplicity to maximum process safety.

Benefits

Clever simplicity:
One controller for all parameters and applications, intuitive user interface, automatic sensor recognition, hot plug & play with pre-calibrated Memosens sensors.
High flexibility:
Universal modules for all parameters minimize spare part stock and allow for easy extension to up to 8 channels at any time.
Seamless system integration:
Unique portfolio of communication standards suits every distributed control system (DCS).
Simple and safe commissioning:
Saving configuration on SD card enables fast set-up on duplicate installations.
Process control from a distance:
Integrated web server that allows the operator to remotely view diagnostic data, perform configurations, or access device parameters in any web browser - even via Smartphone.
Higher availability, lower costs:
Heartbeat Technology enables status-oriented maintenance and easy verification of the entire measuring point and helps to carry out optimization measures.

Field of application

The Liquiline CM442 multiparameter transmitter is suitable for all applications in non-hazardous areas, for example in these industries and their utilities:

Food & Beverages
Life Sciences
Power & Energy
Water & Wastewater
Chemicals

Liquiline CM442 features all common communication protocols and interfaces, such as:

0/4...20 mA
HART
PROFIBUS DP
Modbus TCP / Modbus RS485
EtherNet/IP
Webserver

Features and specifications

Application

Modular 4 wire controller
Multichannel: 1/2 digital channels for Memosens protocol
Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity
Two sensors connectable in any combination
Functionality modular extendable at any time
Plug and play for modules and sensors
Characteristic

Robust plastic housing
All non-ex applications
Design

2x Memosens input, 2 to 4x current output, Alarmrelay
2x relay, SD card for software update and copy & paste of setup
Material

Housing base: PC-FR
Housing seal: EPDM
Dimension

237 x 194 x 162 mm
9.33 x 7.64 x 7.38 inch
Process temperature

-20 to 60 °C (0 to 140 °F)
Ingres protection

IP66 / IP67
Input

1 to 2x Memosens digital input
2x 0/4 to 20mA input optional
2x Digital input optional
Output

2 to 8x 0/4 to 20 mA current outputs
Alarmrelay, 2x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet
Additional certifications

EAC, cCSAus, MCERTS

Sensors for CM442

pH value or ORP	pH measurement in drinking water • Retractable assembly Cleanfit CPA871 • Sensor Orbisint CPS11D • Measuring cable CYK10 ORP in drinking water • Dipfit CYA112 immersion assembly • Sensor Orbisint CPS12D • Measuring cable CYK10	Conductivity	Inductive conductivity measurement in wastewater treatment • Sensor Indumax CLS50D • Sensor fixed cable Conductive conductivity measurement in power plant cooling water • Sensor Condumax CLS15D • Measuring cable CYK10
Oxygen	Oxygen in aeration basins • Dipfit CYA112 immersion assembly • Holder CYH112 • Sensor – COS61D (optical) with fixed cable (→ Fig.) – COS51D (amperometric), cable CYK10	Turbidity and interface	Turbidity in industrial water • Sensor Turbimax CUS51D with fixed cable (→ Fig.) • Assembly Flowfit CUA250 • Spray head CUR3 (optional) Interface in the primary clarifier • Sensor Turbimax CUS71D • Assembly CYA112 • Holder CYH112
Nitrate and SAC	Nitrate in wastewater • Sensor CAS51D-A2 with fixed cable • Dipfit CYA112 immersion assembly • Holder CYH112 SAC in the wastewater treatment outlet • Sensor CAS51D-2C2 with fixed cable • Dipfit CYA112 immersion assembly • Holder CYH112	Disinfection	Free available chlorine (and pH) in drinking water • Sensor CCS142D • Sensor CPS11D • Measuring cable CYK10 • Flow assembly CCA250
Ion-selective electrodes	Ammonium and nitrate measurement in the aeration basin • Sensor CAS40D with fixed cable • Holder CYH112