E+H 4-channel transmitter Liquiline CM444

E+H 4-channel transmitter Liquiline CM444
Liquiline CM444 is a digital transmitter for pH, ORP, conductivity, oxygen, turbidity and more.

4-channel transmitter
Liquiline CM444

Expandable multiparameter field device for all industries



  • Measuring principle Potentiometric/

    Sensor ORP / Redox/Conductive/Amperometric oxygen measurement/Free chlorine/Single beam scattered light/Potentiometric / ISE

  • Application

    Modular 4 wire controller
    Multichannel: 1 to 4 digital channels for Memosens protocol
    Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity
    4 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

    2 to 4x Memosens input, 2 to 8x current output
    Alarmrelay, 4x 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 6.38 inch

  • Process temperature

    -20 to 55 °C (0 to 130 °F)

  • Ingress protection

    IP66 / IP 67

  • 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

  • Certificates, declarations and approvals

    EAC, cCSAus