Specs at a glance
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Input
1 to 4x Memosens digital input
2x 0/4 to 20mA Input optional
2 to 4x Digital input optional -
Output / communication
2 to 8x 0/4 to 20 mA current outputs, alarmrelay,
4x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet -
Ingress protection
Transmitter: IP20
Optional Display: IP66
Field of application
Liquiline CM444R allows you to connect up to 4 Memosens sensors of your choice from over 12 measurement parameters. With its compact design, it fits into any cabinet and can be expanded at any time with inputs, outputs, controllers, math modules, and sensor channels. The transmitter belongs to the Liquiline platform with standardized system integration, operation, and spare parts. Heartbeat Technology helps you find the ideal balance between measurement point availability and maintenance costs.
Liquiline CM444R is suitable for all industries and their utilities, such as:
Food & Beverages
Life Sciences
Power & Energy
Water & Wastewater
Chemicals
Marine
It features the following communication protocols and interfaces:
0/4...20 mA
HART
PROFIBUS DP
Modbus RS485/RTU
Modbus TCP
EtherNet/IP
PROFINET
Webserver
The transmitter can be extended with a module whose explosion protection approvals, such as IECEx, ATEX, and CSA, allow the connection of sensors installed in hazardous areas.
Benefits
Saves space, saves money:
Small footprint, 4 channels in one device, expandable at any time, saves space in cabinets – perfect for skids.High-speed installation:
No cut-out in cabinet door, one-click DIN-rail mounting, minimized wiring.Simple and safe commissioning:
Saving configuration on SD card enables fast set-up on duplicate installations.Easy to operate and service:
Intuitive user interface, hot plug & play with pre-calibrated Memosens sensors, universal components fit all parameters.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.Drive connectivity: Liquiline Edge Module CYY7 transfers process data to Netilion, independently of the fieldbus. This allows remote overview and the use of IIoT services. It’s available in new products or as upgrade to installed Liquiline platforms.
Videos
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
|---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
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Technical Information (TI)
TI Liquiline CM442R/CM444R/CM448R
English version - 11/2025
Cabinet transmitter with a maximum of eight measuring channels based on digital Memosens technology
EN 17/11/202512/03/202528/08/202410/08/202203/05/2022Language:
English
Version:
17/11/2025
File size:
6.7 MB
File name:
TI01112CEN_1425-00.pdf
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Technical Information (TI)
TI Liquiline CM442R/CM444R/CM448R
Cabinet transmitter with a maximum of eight measuring channels based on digital Memosens technology
EN 17/11/202512/03/202528/08/202410/08/202203/05/2022Language:
English
Version:
17/11/2025
File size:
6.7 MB
File name:
TI01112CEN_1425-00.pdf
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Operating Instruction (BA)
Memosens
Sensor inputs with Memosens protocol
EN 30/05/202228/02/2019Language:
English
Version:
30/05/2022
File size:
3.3 MB
File name:
BA01245CEN_0822-00.pdf
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Operating Instruction (BA)
BA Liquiline CM442R/CM444R/CM448R
Universal four-wire multichannel controller
Cabinet installationEN 19/03/202525/09/202310/08/202208/10/202120/04/2021Language:
English
Version:
19/03/2025
File size:
8.7 MB
File name:
BA01225CEN_1825-00.pdf
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Operating Instruction (BA)
Istruzioni di funzionamento Liquiline CM442R/CM444R/CM448R
Controllore universale multicanale a quattro fili per installazione in
armadio
di controllo
Manutenzione e diagnosticaEN 27/06/2013Language:
Italian
Version:
27/06/2013
File size:
1.4 MB
File name:
BA01227CIT_0113.PDF
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Short Instruction (KA)
KA Liquiline CM442R/CM444R/CM448R
Universal four-wire multichannel transmitter for cabinet installation
EN 07/11/202525/09/202312/08/202208/10/202120/04/2021Language:
English
Version:
07/11/2025
File size:
3.9 MB
File name:
KA01160CEN_1225-00.pdf
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Installation Instructions (EA)
SD card kit
32 GB, industrial flash drive
EN 23/03/2021Language:
English
Version:
23/03/2021
File size:
506.7 KB
File name:
EA01354CEN_0121.pdf
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Installation Instructions (EA)
Kit CM44x/CSXxx/CA80XX
Module 485MB or 485DP
For Ethernet configuration, PROFIBUS DP, Modbus RS485EN 28/11/2022Language:
English
Version:
28/11/2022
File size:
1.8 MB
File name:
EA01447CEN_0122-00.pdf
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Installation Instructions (EA)
Kit CM44xR
External display
EN 24/02/202327/06/2013Language:
English
Version:
24/02/2023
File size:
1.1 MB
File name:
EA01080CEN_0223-00.pdf
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Installation Instructions (EA)
Einbauanleitung/ Installation Instructions Kit Module/Modules
Für erweiterte Funktionalität
For extended functionalityEN 07/07/201425/03/201331/12/2011Language:
English
Version:
07/07/2014
File size:
2.4 MB
File name:
EA00008CA2_0314.pdf
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Installation Instructions (EA)
Installation Instructions Liquiline CM44xR
Service display for rail mounted device
EN 06/03/2014Language:
English
Version:
06/03/2014
File size:
138.3 KB
File name:
EA01100CA2_0113.pdf
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Installation Instructions (EA)
Kit CM44x / CSXxx / CA80xx Kit Module 485/ETH Installation Instructions
For Ethernet configuration, PROFIBUS, Modbus
EN 22/08/201722/06/201531/01/201431/12/2011Language:
English
Version:
22/08/2017
File size:
2.1 MB
File name:
EA00009CA2_0417.pdf
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Installation Instructions (EA)
Liquiline modules collection instructions
Liquiline modules collection instructions
EN 30/06/2025Language:
English
Version:
30/06/2025
File size:
1 MB
File name:
71104852_cm44xsammel.pdf
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Installation Instructions (EA)
Kit 2DS Ex-i module for CM44x(R) / CM44P
Replacement / repair of the 2DS Ex-i module for CM44x(R) / CM44P
EN 04/07/2022Language:
English
Version:
04/07/2022
File size:
3.5 MB
File name:
EA01413CEN_0122-00.pdf
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Installation Instructions (EA)
SD card kit
Industrial flash drive, 1 GB
With firmware, no. 71127100
Without firmware, no. 71110815EN 23/03/202109/10/202020/03/201725/06/201401/07/2012Language:
English
Version:
23/03/2021
File size:
506.9 KB
File name:
EA00011CEN_0621.pdf
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Installation Instructions (EA)
Kits CM444R/448R Rail-mount power supply
Kits CM444R/448R Rail-mount power supply (Hutschienen-Netzteil)
Valid for 71222277, 71222279 and 71224563EN 26/09/2025Language:
English
Version:
26/09/2025
File size:
470.9 KB
File name:
71226626 Anleitung Kits CM44xR Netzteil 2025-09.pdf
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Ex Safety Instruction (XA)
XA Liquiline CM442, CM444, CM448, CM442R, CM444R, CM448R, CM44P
Universal four-wire multichannel controller
CSA CL I, DIV 2, GP A-D T4AEN 06/03/202518/02/202505/05/2023Language:
English
Version:
06/03/2025
File size:
8.9 MB
File name:
XA02420CEN_0325-00.pdf
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Ex Safety Instruction (XA)
XA Liquiline CM442, CM444, CM448, CM442R, CM444R, CM448R, CM44P
Universal four-wire multichannel controller
ATEX II (1) G [Ex ia Ga] IIC
IECEx [Ex ia Ga] IICEN 01/09/202327/01/202210/06/2021Language:
English
Version:
01/09/2023
File size:
1.5 MB
File name:
XA02419CEN_0323-00.pdf
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Ex Safety Instruction (XA)
XA Liquiline CM442, CM444, CM448, CM442R, CM444R, CM448R, CM44P
Universal four-wire multichannel controller
EAC Ex [Ex ia Ga] IICEN 05/09/2025Language:
English
Version:
05/09/2025
File size:
1.5 MB
File name:
XA03548CEN_0125-00.pdf
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Ex Safety Instruction (XA)
Liquiline CM442, CM444, CM448, CM442R, CM444R, CM448R, CM44P
UK Ex II (1) G [Ex ia Ga] IIC
Safety instructions for electrical apparatus in explosion-hazardous
areasLanguage:
English
Version:
22/03/2022
File size:
1.5 MB
File name:
XA02762CEN_0121-00.pdf
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Special Documentation (SD)
CM44x/R/P / CSFxx / CA80xx
PROFIBUS Guideline
EN 09/06/202227/01/202014/08/201908/09/201727/02/2014Language:
English
Version:
09/06/2022
File size:
1.9 MB
File name:
SD01188CEN_06.22.pdf
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