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1-/2-channel transmitter
Liquiline CM442R

Liquiline CM442R is a state-of-the-art transmitter for pH, ORP, conductivity, oxygen and more. ©Endress+Hauser

Liquiline CM442R is a state-of-the-art transmitter for pH, ORP, conductivity, oxygen, chlorine, turbidity, sludge level, SAC, nitrate and many other parameters.

An optional display enables configuration, maintenance and operation of the measuring point on-site. ©Endress+Hauser

An optional display enables configuration, maintenance and operation of the measuring point on-site.

Heartbeat Technology offers diagnostics, verification and monitoring of the measuring point. ©Endress+Hauser

Liquiline transmitters with Heartbeat Technology offer status-oriented maintenance and easy verification of the measuring point and help you to carry out optimization measures.

Memosens converts the measured value to a digital signal and transfers it to the transmitter without a contacting connection. This video shows how Memosens optimizes process control and maintenance.

  • Liquiline CM442R is a state-of-the-art transmitter for pH, ORP, conductivity, oxygen and more.
  • An optional display enables configuration, maintenance and operation of the measuring point on-site.
  • Heartbeat Technology offers diagnostics, verification and monitoring of the measuring point.

Compact multiparameter DIN-rail and cabinet device for all industries

Liquiline CM442R is an easy-to-use, digital multiparameter transmitter for process monitoring and control in all applications - even where mounting space is limited. It saves you time and money through simplified and quick system integration, installation, and handling. The 1-/2-channel controller is extremely compact and fits in every cabinet. Liquiline CM442R provides you with all the benefits of a best-in-class transmitter platform from clever simplicity to maximum process safety.

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  • Specs at a glance

    • Input

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

    • Output / communication

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

    • Ingres protection

      Transmitter: IP20
      Optional Display: IP66

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Additional components

  • Benefits

    • Saves space, saves money:
      Extremely small footprint, 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...

  • Field of application

    The Liquiline CM442R 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...

Features and specifications

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Details

  • Measuring principle

    Amperometric oxygen measurement

  • 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

    DIN rail housing: PC-FR
    Display seal: EPDM

  • Dimension

    99 x 100 x 97 mm
    3.9 x 3.94 x 3.82 inch

  • Process temperature

    0 to 60 °C (32 to 140 °F)

  • Input

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

  • Output / communication

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

  • Additional certifications

    EAC, cCSAus

  • Measuring principle

    Potentiometric

  • 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

    DIN rail housing: PC-FR
    Display seal: EPDM

  • Dimension

    99 x 100 x 97 mm
    3.9 x 3.94 x 3.82 inch

  • Process temperature

    0 to 60 °C (32 to 140 °F)

  • Ingres protection

    Transmitter: IP20
    Optional Display: IP66

  • Input

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

  • Output / communication

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

  • Additional certifications

    EAC, cCSAus

  • Measuring principle

    Total chlorine

  • 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

    DIN rail housing: PC-FR
    Display seal: EPDM

  • Dimension

    99 x 100 x 97 mm
    3.9 x 3.94 x 3.82 inch

  • Process temperature

    0 to 60 °C (32 to 140 °F)

  • Input

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

  • Output / communication

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

  • Additional certifications

    EAC, cCSAus

  • Measuring principle

    Single beam scattered light

  • 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

    DIN rail housing: PC-FR
    Display seal: EPDM

  • Dimension

    99 x 100 x 97 mm
    3.9 x 3.94 x 3.82 inch

  • Process temperature

    0 to 60 °C (32 to 140 °F)

  • Ingres protection

    Transmitter: IP20
    Optional Display: IP66

  • Input

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

  • Output / communication

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

  • Additional certifications

    EAC, cCSAus

  • Measuring principle

    Ultrasonic sensor

  • 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

    DIN rail housing: PC-FR
    Display seal: EPDM

  • Dimension

    99 x 100 x 97 mm
    3.9 x 3.94 x 3.82 inch

  • Process temperature

    0 to 60 °C (32 to 140 °F)

  • Ingres protection

    Transmitter: IP20
    Optional Display: IP66

  • Input

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

  • Output / communication

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

  • Additional certifications

    EAC, cCSAus

  • Measuring principle

    Sensor ORP / Redox

  • 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

    DIN rail housing: PC-FR
    Display seal: EPDM

  • Dimension

    99 x 100 x 97 mm
    3.9 x 3.94 x 3.82 inch

  • Process temperature

    0 to 60 °C (32 to 140 °F)

  • Ingres protection

    Transmitter: IP20
    Optional Display: IP66

  • Input

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

  • Output / communication

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

  • Additional certifications

    EAC, cCSAus

  • Measuring principle

    Potentiometric

  • 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

    DIN rail housing: PC-FR
    Display seal: EPDM

  • Dimension

    99 x 100 x 97 mm
    3.9 x 3.94 x 3.82 inch

  • Process temperature

    0 to 60 °C (32 to 140 °F)

  • Ingres protection

    Transmitter: IP20
    Optional Display: IP66

  • Input

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

  • Output / communication

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

  • Additional certifications

    EAC, cCSAus

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
  • 7
    • Nr 7 Order code 71100607

      Kit: basic module BASE-L

      power supply 24V AC/DC, 2x 0/4..20mA Out 2x digital sensor, alarm relay CM442/CSF48

    • Nr 7 Order code 71431300

      Kit: basic module BASE2-L

    • Nr 7 Order code 71100611

      Kit CM442: basic module BASE-H

      power supply 100 - 230 V AC 50/60 Hz 2x 0/4..20mA Out 2x digital sensor, alarm relay

    • Nr 7 Order code 71431301

      Kit CM442: base module BASE2-H

    • Order code 71107452

      Kit: 1x set of terminals basic module

      CM442/CM444/CM448/CSF48/CSP44

    • Order code 71272410

      Kit: module ETH

      (+Webserver) extendable via upgrade code to Modbus TCP or EtherNet/IP CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R

    • Order code 71222273

      Kit CM442R Enclosure for cabinet mount

    • Order code 71222282

      Kit CM44xR Covers for touch protection

    • Order code 71185295

      Kit: external graph.display, cabinet

      installation, plastic, navigator+softkeys, incl. cable IP66 CM442R/CM444R/CM448R

    • Order code 71185296

      Kit: external graph. display, portable

      commissioning, plastic, navigator+softkeys, incl. cable IP65 CM442R/CM444R/CM448R

    • Order code 71240608

      Kit CM44xR Servicedisplay: Cable+Grommet

    • Order code 71111053

      Kit : module AOR

      2x Relay, 2x 0/4..20mA Out CM442 / CM444 / CM448 / CSF48 CM442R / CM444R / CM448R

    • Order code 71125375

      Kit: module 2R

      2x Relay CM442 / CM444 / CM448 / CSF48 CM442R / CM444R / CM448R

    • Order code 71125376

      Kit: module 4R

      4x Relay CM442 / CM444 / CM448 / CSF48

    • Order code 71155581

      Kit: 1x set of terminals module 4R

      CM442/CM444/CM448/CSF48

    • Order code 71135632

      Kit: module 2AO

      2x 0/4..20mA Out CM442 / CM444 / CM448 / CSF48 CM442R / CM444R / CM448R

    • Order code 71155582

      Kit: 1x set of terminals module 4AO

      CM442/CM444/CM448/CSF48

    • Order code 71135639

      Kit: module 2AI

      2x 0/4..20mA In CM442 / CM444 / CM448 / CSF48 CM442R / CM444R / CM448R

    • Order code 71155583

      Kit: 1x set of terminals module 2xAI,485

      CM442/CM444/CM448/CSF48

    • Order code 71135638

      Kit: module DIO

      2x digital in, 2x digital out CM442 / CM444 / CM448 / CSF48 CM442R / CM444R / CM448R

    • Order code 71219784

      Kit: 1x set of terminals module DIO

    • Order code 71135634

      Kit: module 485

      (+Webserver) Extendable via upgrade code to Profibus DP or Modbus RS485 or Modbus TCP or EtherNet/IP CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R

    • Order code 71140888

      Upgrade Kit: Modul 485 + Profibus DP

      (+Webserver) CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R

    • Order code 71140889

      Upgrade Kit: Modul 485 + Modbus RS485

      (+Webserver) CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R

    • Order code 71279809

      Upgrade Kit: Modul ETH + Modbus TCP

      (+Webserver) CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R

    • Order code 71279812

      Upgrade Kit: Modul ETH + EtherNet/IP

      (+Webserver) CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R

    • Order code 71128428

      Upgrade code: HART

      digital communication (provide serial number of device) CM442 / CM444 / CM448 / CSF48 CM442R / CM444R / CM448R Successor: XPC0023 Activation code HART

    • Order code 71114663

      Upgradecode: 2 digital sensor inputs

      (provide serial number of device) CM442 / CM442R / CSF48 Successor kit: XPC0026 activation code Liquiline input /outputs

    • Order code 71135635

      Upgrade code: Profibus DP module 485

      Enter this code to change active fieldbus protocol to Profibus DP (provide serial number of device) CM442 / CM444 / CM448 / CSF48 CM442R / CM444R / CM448R Successor kit: Activation code PROFIBUS DP f 485 module

    • Order code 71135636

      Upgrade code: Modbus RS 485 module 485

      Enter this code to change active fieldbus protocol to Modbus RS485 (provide serial number of device) CM442 / CM444 / CM448 / CSF48 CM442R / CM444R / CM448R Successor kit: XPC0025 Activation code ModbusRS485 f 485 module

    • Order code 71135637

      Upgrade code: Modbus TCP f.module 485

      Enter this code to change active fieldbus protocol to Modbus TCP (provide serial number of device) CM442 / CM444 / CM448 / CSF48 CM442R / CM444R / CM448R Successor Kit: XPC0020 activation code Modbus TCP + Webserver

    • Order code 71211288

      Upgrade code: Feedforward control

      Upgrade code: Feedforward control requires 0/4..20mA Input or digital communication (provide serial number of device) CM442/CM444/CM448/CSF48 CM442R/CM444R-CM448R

    • Order code 71211289

      Upgrade code: Measuring Range Switch

      Upgrade code: Measuring Range Switch requires digital Input or digital communication (provide serial number of device CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R

    • Order code 71219871

      Upgrade code: EtherNet/IP f.module 485

      Enter this code to change active fieldbus protocol to EtherNet/IP (provide serial number of device) CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R Successor kit: XPC0018 activation code EtherNet/IP + Webserver

    • Order code 71279813

      Upgrade code Modbus TCP f.module ETH

      Enter this code to change active fieldbus protocol to Modbus TCP (provide serial number of device) CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R Successor kit: XPC0020 activation code Modbus TCP + Webserver

    • Order code 71279830

      Upgrade code EtherNet/IP f. module ETH

      Enter this code to change active fieldbus protocol to EtherNet/IP (provide serial number of device) CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R Successor kit: XPC0018 activation code EtherNet IP + Webserver

    • Order code 71239104

      Upgrade code: Chemoclean Plus

      requires relays or digital outputs or digital fieldbus communication and optional digital inputs (provide serial number of device) CM442/CM444/CM448/CSF48 CM442R/CM444R/CM448R

    • Order code 71367524

      Upgradecode Heartbeat Verifi.+Monitoring

      (provide serial number of device) CM442/CM444/CM448/CSF48/CA80 CM442R/CM444R/CM448R

    • Order code 71367541

      Upgradecode Mathematic

    • Order code 71449914

      Upgr.code:EtherNet/IP+Webserver BASE2

      Successor kit: Kit: XPC0018 activation code EtherNet/IP + Webserver

    • Order code 71449915

      Upgr.code Modbus TCP+Webserver BASE2

      Successor kit: XPC0020 activation code Modbus TCP + Webserver

    • Order code 71449918

      Upgrade code: Webserver for BASE2

      Successor kit: XPC0021 activation code Webserver for BASE2

    • Order code 71449901

      Upgr.code: PROFINET+Webserver f. BASE2

      Successor kit: XPC0022 activation code PROFINET + Webserver

    • Order code 71110815

      SD-Card, 1GB, Industrial Flash Drive

      .

    • Order code 71127100

      SD-Card with Firmware, 1GB

      Industrial Flash Drive, Liquiline firmware for 4-wire platform CM442 / CM444 / CM448 / CSF48

    • Order code XPRFID-

      Spare RFID TAG

      Consists of: RFID TAG, fixing wire, crimp sleeve.

    • Order code DIENST-F

      Marking Tagging (Attention: select option and enter text in 995)

Downloads

Success stories

  • Continuous monitoring of drinking water made easy Continuous monitoring of drinking water made easy

    The all-round carefree panel

    Water Analysis Panels make continuous monitoring of drinking water easy at the water treatment plant in Frasnacht, Switzerland.

  • real-time monitoring of critical parameters in fermentation processes real-time monitoring of critical parameters in fermentation processes

    Advanced bioprocess control

    From time consuming sample analysis to real-time monitoring of critical parameters in fermentation processes thanks to complete solutions from hardware to development and analytical services.

  • Baltic Sea water used as cooling water in the power station Baltic Sea water used as cooling water in the power station

    Cooling water directly from the Baltic Sea

    With the CUS52D, power plant operator KNG benefits from reduced maintenance costs due to reliable, stable measurement even under harsh conditions in salt water.

  • Reaction of styrene-butyl acrylate emulsion polymerizatio Reaction of styrene-butyl acrylate emulsion polymerizatio

    Monitoring Emulsion Polymerization Reactions

    Process optimization via reaction endpoint detection and control of kinetics

  • Schematic diagram of process-control system for semi-batch polymerization Schematic diagram of process-control system for semi-batch polymerization

    Semi-batch polymerization

    Monitoring and control of a semi-batch polymerization with Raman spectroscopy

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