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Endress+Hauser Liquiline CM442R-75V4/0: Compact Two-Channel DIN-Rail Multiparameter Transmitter

News October 29, 2026

Endress+Hauser Liquiline CM442R-75V4/0

Compact Two-Channel DIN-Rail Multiparameter Transmitter

Endress+Hauser Liquiline CM442R-75V4/0 liquid analysis transmitter

Liquiline CM442R is a compact 1-/2-channel transmitter designed for DIN-rail or back-panel installation in control cabinets. It brings Memosens sensor flexibility, standardized operation and multiple integration options to a space-saving platform for liquid analysis.

Configuration note: CM442R-75V4/0 is a configured order code. Exact power supply, outputs, communication modules and approvals should be verified against the device nameplate or original order documentation before replacement or quotation.

Why Choose the Liquiline CM442R?

Compact Cabinet Design

One-click DIN-rail mounting and an IP20 transmitter housing support tidy, space-efficient cabinet installations.

One or Two Memosens Sensors

Connect up to two digital Memosens sensors and standardize operation across different analytical parameters.

Flexible System Integration

Current outputs, relays and optional fieldbus or Ethernet communication help fit the transmitter into new or existing automation systems.

Measurement Possibilities

Measurement GroupTypical Parameters
ElectrochemicalpH, ORP/redox, conductivity and dissolved oxygen
DisinfectionChlorine and other disinfection-related measurements
Optical / ProcessTurbidity, sludge level, SAC and nitrate

Liquiline CM442R Key Specifications

Sensor inputs1 to 2 digital Memosens inputs
Optional additional inputsUp to 2 x 0/4–20 mA and 2 digital inputs
Current outputs2 to 8 x 0/4–20 mA, depending on configuration
RelaysAlarm relay and 2 additional relays
Communication optionsPROFIBUS DP, Modbus RS485/RTU, Modbus TCP and Ethernet
ProtectionTransmitter IP20; optional display IP66
InstallationDIN rail or cabinet back panel

Typical Applications

  • Water and wastewater treatment

  • Food and beverage production

  • Chemical and pharmaceutical processing

  • Power generation and utilities

  • Industrial process-water monitoring

Selection and Replacement Checklist

  1. Confirm the complete order code and serial number from the nameplate.

  2. Identify the number and type of Memosens sensors to be connected.

  3. Check power supply, analog inputs/outputs, relays and communication protocol.

  4. Verify cabinet space, DIN-rail arrangement and optional display requirements.

  5. Confirm hazardous-area approvals and regional certificates, if applicable.

Request a Quotation

For an accurate quotation, please share a clear nameplate photo, full order code, required quantity and destination country.

HONGKONG XIEYUAN TECH CO., LIMITED
Email: becky@hkxytech.com
Web: www.hkxytech.com
Mobile: +86-15972186287 (WhatsApp & WeChat)

Technical reference: Endress+Hauser Liquiline CM442R product information. Final configuration must be confirmed from the exact order code and device documentation.

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