Liquiline M CM42 offers safe measurement in all process applications – even in hazardous areas.

1-channel transmitter
Liquiline M CM42

Two-wire field device for hazardous and non-hazardous area use in chemicals, life sciences and food

CM42

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Specs at a glance

Input

One channel transmitter for Memosens and analog (pH, ORP, conductivity)
Output / communication

1/2 x 4 to 20 mA, HART, Profibus, FF
Additional second output possible, also later
Ingress protection

IP66/67, NEMA 4X

See all specifications

Field of application

Liquiline M CM42 is the robust transmitter for pH/ORP, conductivity or oxygen measurement in all process applications. It is the best choice for demanding environments be it hygienic applications, hazardous areas or functional safety areas. Liquiline’s intuitive operating concept simplifies commissioning, handling, and maintenance saving you time every day. Easy switching of parameters and seamless system integration give you the flexibility to adapt it exactly to your measuring task.

The Liquiline CM42 transmitter is suitable for all process applications, for example in these industries and their utilities:

Chemicals
Food & Beverages
Life Sciences
Power & Energy
Oil & Gas
Primaries & Metal

Liquiline CM42 features the following protocols and interfaces:

0/4...20 mA
HART
PROFIBUS PA
FOUNDATION Fieldbus

With its international explosion protection approvals, such as IECEx, ATEX, FM, CSA, TIIS and NEPSI, the transmitter is suitable for hazardous area use.

Benefits

Simple commissioning with quick setup and navigator
The Memosens technology allows plug & play with pre-calibrated Memosens sensors
Less storage thanks to modular design
Predictive maintenance system detects when a sensor has to be cleaned, calibrated or replaced

Videos

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.

Extended selection

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Standard products
Reliable, robust and low-maintenance

Technical excellence

Simplicity

What is FLEX?

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

Learn more about the FLEX selections

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Predecessor

Mypro CLM431
Mypro CPM431

Success stories

Automated pH measuring point in wastewater

The Dow plant in Stade relies on Endress+Hauser solutions for pH monitoring in the treatment of production wastewater.
Read the full story
Pure high quality beer and clean wastewater

Discover how Heineken meets all regulations to protect the brazilian environment with the Viomax CAS51D digital nitrate or SAC sensor from Endress+Hauser.
Read the full story
Conductivity system optimises production of biosurfactants

Holiferm produces sustainable biosurfactants using a patented gravity separation fermentation process. The company was seeking a way to automate the measurement of the critical phase separation step.
Read the full story
Smart vertical farming in big cities

Intuitive pH and conductivity measurement in smart vertical farming plants to meet quality requirements and ensure comprehensive monitoring of processes.
Read the full story
Long-lasting performance during whey processing

With the help of the Memosens CPS77E sensor a safe monitoring of the pH values is possible, which must be guaranteed with the high requirements in the food industry.
Read the full story

Could also interest you

Related topics
Liquiline CM42 documentation

Get the operating instructions for your Liquiline CM42 transmitter here!
More information
Related topics
Liquiline: cutting-edge transmitter platform

By choosing the Liquiline platform, you’re effectively choosing to spend less money on stock holding, save installation time and gain operational safety!
More information
Related topics
Memosens 2.0: Cutting-edge sensor technology reloaded

Make life easier, increase process safety and stay connected with Memosens 2.0 digital technology.
More information
About us
Liquiline production: highly automated manufacturing

A high degree of automation combined with expert craftsmanship ensures highly efficient production of the various device versions. We can tailor your device exactly to your needs.
More information

Language:	English
Version:	31/05/2021
File size:	3.6 MB
File name:	KA01481CEN_0121.pdf

Language:	English
Version:	14/12/2016
File size:	2.6 MB
File name:	IECEx TUR11-0007-S0-S4.pdf

	EN
15/10/2020
25/06/2014
25/06/2013
01/01/2011
01/12/2008

Language:	English
Version:	15/10/2020
File size:	4.5 MB
File name:	TI00381CEN_1620.pdf

Language:	English
Version:	31/05/2021
File size:	3.6 MB
File name:	KA01481CEN_0121.pdf

	EN
31/05/2021

	EN
31/05/2021

	EN
08/12/2023
11/07/2023

	EN
13/06/2022

1-channel transmitter Liquiline M CM42

Two-wire field device for hazardous and non-hazardous area use in chemicals, life sciences and food

Specs at a glance

Input

Output / communication

Ingress protection

Field of application

Benefits

Videos

Extended selection

Predecessor

Success stories

Automated pH measuring point in wastewater

Pure high quality beer and clean wastewater

Conductivity system optimises production of biosurfactants

Smart vertical farming in big cities

Long-lasting performance during whey processing

Could also interest you

Liquiline CM42 documentation

Liquiline: cutting-edge transmitter platform

Memosens 2.0: Cutting-edge sensor technology reloaded

Liquiline production: highly automated manufacturing

Measuring principle

Application

Characteristic

Measuring principle

Design

Material

Dimension

Temperature sensor

Ex certification

Ingress protection

Input

Output / communication

Measuring principle

Application

Characteristic

Measuring principle

Design

Material

Dimension

Temperature sensor

Ex certification

Ingress protection

Input

Output / communication

Measuring principle

Application

Characteristic

Measuring principle

Design

Material

Dimension

Temperature sensor

Ex certification

Ingress protection

Input

Output / communication

Measuring principle

Application

Characteristic

Measuring principle

Design

Material

Dimension

Ex certification

Ingress protection

Input

Output / communication

Back

Liquiline CM42

Product family: Liquiline M

Liquiline M CM42

Liquiline CM42

XA Liquiline M CM42

Liquiline M CM42

Liquiline M CM42

Liquiline M CM42

Liquiline M CM42

XA Liquiline CM42

1-channel transmitter
Liquiline M CM42