Endress+Hauser Liquiline CM442 1-/2-Channel Transmitter

$800.00

The Liquiline CM442 Transmitter is a flexible 1- or 2-channel liquid analysis device designed for reliable measurement of pH/ORP, conductivity, dissolved oxygen, chlorine, and turbidity. It provides accurate monitoring for a wide range of water and process applications.

This transmitter is ideal for water treatment, wastewater, chemical, and industrial processes. In addition, its modular design and intuitive operation make configuration and maintenance simple and efficient.

Not Recommended For:
• Single-parameter basic applications requiring minimal functionality
• Field-only installations without panel or cabinet mounting

Technical Information Liquiline CM442/CM444/CM448

Selection Notes

Measurement Parameters: Supports pH/ORP, conductivity, dissolved oxygen, chlorine, and turbidity, depending on sensor configuration.

Channel Requirement: Available in 1-channel or 2-channel versions, allowing flexible measurement setups.

Installation Type: Designed for panel or cabinet mounting, suitable for centralized control systems.

Application Type: Ideal for water treatment, wastewater plants, and industrial process monitoring.

Communication and Output: Supports 4–20 mA, HART, and digital communication protocols for integration.

Why Choose the Liquiline CM442

Multi-Parameter Measurement in One Device
The CM442 supports multiple analytical parameters. Therefore, it reduces the need for separate transmitters and simplifies system design.

Flexible 1-/2-Channel Configuration
Users can measure one or two parameters simultaneously. As a result, it provides a balance between flexibility and cost.

Intuitive Operation and Configuration
The transmitter features a user-friendly interface, making setup and operation straightforward.

Reliable Process Monitoring
It delivers stable and accurate measurements for water and process applications, ensuring consistent quality control.

Modular Design for Easy Maintenance
The modular structure allows easy replacement and expansion, reducing downtime and maintenance effort.

FAQ

Q: What parameters can the CM442 measure?
A: It supports pH/ORP, conductivity, dissolved oxygen, chlorine, and turbidity, depending on the connected sensors.

Q: How many channels does it support?
A: It supports 1 or 2 channels, allowing measurement of one or two parameters simultaneously.

Q: Where is the CM442 typically installed?
A: It is designed for panel or cabinet mounting, commonly used in control rooms or industrial systems.

Q: Is it suitable for water treatment applications?
A: Yes. It is widely used in drinking water, wastewater, and industrial water systems.

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

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 60 °C (0 to 140 °F)

Ingress protection

IP66 / IP67

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, MCERTS

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