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Endress+Hauser Liquiline CM444R-AAM2AA1F26+PK: Expandable Four-Channel DIN-Rail Multiparameter Transmitter

News October 30, 2026

Endress+Hauser Liquiline CM444R-AAM2AA1F26+PK

Expandable Four-Channel DIN-Rail Multiparameter Transmitter

Endress+Hauser Liquiline CM444R-AAM2AA1F26+PK liquid analysis transmitter

Liquiline CM444R is an expandable multiparameter transmitter for DIN-rail and cabinet installation. It connects up to four Memosens sensors and combines standardized operation, flexible communication and scalable input/output options in a compact cabinet platform.

Configuration note: CM444R-AAM2AA1F26+PK is a configured order code. Exact power supply, sensor channels, outputs, communication modules and approvals must be verified against the nameplate or original order documentation.

Why Choose the Liquiline CM444R?

Up to Four Memosens Channels

Connect up to four digital Memosens sensors and manage different analytical parameters from one platform.

Expandable Architecture

Add sensor channels, inputs, outputs, controllers and math functions as requirements grow.

Efficient Cabinet Integration

One-click DIN-rail mounting and minimized wiring reduce installation time and cabinet footprint.

Measurement Possibilities

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

Liquiline CM444R Key Specifications

Sensor inputs1 to 4 digital Memosens inputs
Optional inputs2 x 0/4–20 mA and 2 to 4 digital inputs
Outputs / relays2 to 8 x 0/4–20 mA, alarm relay and 4 relays
CommunicationHART, PROFIBUS DP, Modbus RTU/TCP, EtherNet/IP, PROFINET, Ethernet and webserver
Dimensions220 × 100 × 97 mm
Ambient temperature0 to 55 °C (32 to 130 °F)
ProtectionTransmitter IP20; optional display IP66

Operational Advantages

  • Hot plug-and-play with pre-calibrated Memosens sensors

  • Configuration backup and duplication using an SD card

  • Optional local display and integrated webserver

  • Heartbeat Technology for diagnostics and verification

Selection Checklist

  1. Confirm the complete order code and serial number.

  2. Identify sensor quantity and measurement parameters.

  3. Check power supply, outputs, relays and communication.

  4. Verify cabinet space, display and approval requirements.

Request a Quotation

Please share a clear nameplate photo, complete order code, 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 CM444R product information. Confirm final configuration from the exact order code and device documentation.

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