Specs at a glance
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Input
One channel transmitter for Memosens and analog (pH, ORP, conductivity)
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Output / communication
1/2 x 4 to 20 mA, HART, Profibus, FF
Additional second output possible, also later -
Ingress protection
IP66/67, NEMA 4X
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
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
Predecessor
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Technical Information (TI)
Liquiline M CM42
English version - 10/2020
Two-wire transmitter for hazardous and non-hazardous areas
EN 15/10/202025/06/201425/06/201301/01/201101/12/2008Language:
English
Version:
15/10/2020
File size:
4.5 MB
File name:
TI00381CEN_1620.pdf
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Short Instruction (KA)
Liquiline CM42
English version - 05/2021
Two-wire transmitter for pH/ORP, conductivity or oxygen
EN 31/05/2021Language:
English
Version:
31/05/2021
File size:
3.6 MB
File name:
KA01481CEN_0121.pdf
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Technical Information (TI)
Liquiline M CM42
Two-wire transmitter for hazardous and non-hazardous areas
EN 15/10/202025/06/201425/06/201301/01/201101/12/2008Language:
English
Version:
15/10/2020
File size:
4.5 MB
File name:
TI00381CEN_1620.pdf
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Short Instruction (KA)
Liquiline CM42
Two-wire transmitter for pH/ORP, conductivity or oxygen
EN 31/05/2021Language:
English
Version:
31/05/2021
File size:
3.6 MB
File name:
KA01481CEN_0121.pdf
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Ex Safety Instruction (XA)
XA Liquiline M CM42
Two-wire transmitter for hazardous areas
KOR Ex ib [ia Ga] IIC T6/T4 GbEN 08/12/202311/07/2023Language:
English
Version:
08/12/2023
File size:
422.5 KB
File name:
XA03133CEN_0223-00.pdf
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Ex Safety Instruction (XA)
Liquiline M CM42
Supplement to: BA00381C
Safety instructions for electrical apparatus in explosion-hazardous
areas
UK Ex II (1)2G Ex ib[ia Ga] IICT6/T4 GbLanguage:
English
Version:
29/10/2021
File size:
939.2 KB
File name:
XA02725CEN_0121.pdf
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Ex Safety Instruction (XA)
Liquiline M CM42
NEPSI Ex ib [ia Ga] IIC T4/T6 Gb
Safety instructions for electrical apparatus in explosion-hazardous
areasEN 13/06/2022Language:
English
Version:
13/06/2022
File size:
534.9 KB
File name:
XA02858CEN_0122-00.pdf
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Ex Safety Instruction (XA)
Liquiline M CM42
Supplement to:
BA00381C and BA00382C
Safety instructions for electrical apparatus in explosion-hazardous
areas
EN 01/01/202130/04/2016Language:
English
Version:
01/01/2021
File size:
786 KB
File name:
XA01504CEN_0221.pdf
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Ex Safety Instruction (XA)
Liquiline M CM42
Two-wire transmitter for hazardous areas
JPN Ex ib [ia Ga] IIC T6 GbEN 29/03/2023Language:
English
Version:
29/03/2023
File size:
420.9 KB
File name:
XA03099CEN_0123-00.pdf
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Ex Safety Instruction (XA)
XA Liquiline CM42
Two-wire transmitter for hazardous areas
FM IS NI Cl.I Div.1&2, Groups A-D
CSA IS NI Cl.I,II,III Div.1&2, Groups A-GEN 14/12/202329/11/202101/07/202131/07/202028/02/2019Language:
English
Version:
14/12/2023
File size:
1.2 MB
File name:
XA01687CEN_0623-00.pdf
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Special Documentation (SD)
Special Documentation Liquiline M CM42 DO
FOUNDATION Fieldbus specification
EN 14/07/201715/12/2014Language:
English
Version:
14/07/2017
File size:
3.4 MB
File name:
SD01449CEN_0217.pdf
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Special Documentation (SD)
Special Documentation Liquiline M CM42 pH/ORP
FOUNDATION Fieldbus specification
EN 14/07/201715/12/2014Language:
English
Version:
14/07/2017
File size:
3.6 MB
File name:
SD01332CEN_0217.pdf
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Special Documentation (SD)
Special Documentation Liquiline CM42
HART communication (pH/ORP sensors)
EN 14/07/201705/08/2014Language:
English
Version:
14/07/2017
File size:
2.2 MB
File name:
SD01325CEN_0217.pdf
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Special Documentation (SD)
Special Documentation Liquiline CM42
HART communication (conductivity sensors)
EN 14/07/201705/08/2014Language:
English
Version:
14/07/2017
File size:
2.2 MB
File name:
SD01326CEN_0217.pdf
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Special Documentation (SD)
Special Documentation Liquiline CM42
PROFIBUS PA specification
EN 19/07/201715/05/2014Language:
English
Version:
19/07/2017
File size:
6.9 MB
File name:
SD01331CEN_0217.pdf
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Special Documentation (SD)
Faster, easier, cost efficient and more reliable
A revolution in maintenance of pH measuring systems and substantial
savings!EN 12/10/2009Language:
English
Version:
12/10/2009
File size:
1.1 MB
File name:
Technical_article_Memosens_SD145_EN_10-2009.pdf
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Special Documentation (SD)
SD Liquiline M CM42-*V*********
Two-wire transmitter for hazardous areas
Language:
English
Version:
17/07/2024
File size:
247.4 KB
File name:
SD03299CEN_0124-00.pdf
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Special Documentation (SD)
Special Documentation CM42
Wiring of Liquiline M CM42 with Indumax CLS50Dor CLS54D
EN 24/10/201321/06/2013Language:
English
Version:
24/10/2013
File size:
113.6 KB
File name:
SD01215CA2_0213.pdf
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Special Documentation (SD)
Special Documentation Liquiline M CM42 Cond
FOUNDATION Fieldbus specification
EN 14/07/201715/12/2014Language:
English
Version:
14/07/2017
File size:
3.4 MB
File name:
SD01448CEN_0217.pdf
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Special Documentation (SD)
Special documentation Liquiline CM42
HART communication (oxygen sensors)
EN 14/07/201705/08/2014Language:
English
Version:
14/07/2017
File size:
2.2 MB
File name:
SD01327CEN_0217.pdf
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Special Documentation (SD)
Investing in Memosens saves costs - Now it's easy to calculate the savings online
Customers of Endress+Hauser have saved up to 50% on their maintenance
costs since the commercial launch of Memosens five years ago.Those
interested can now calculate the savings to be gained from using the
non-contact sensor technology online on Endress+Hauser'sweb site.EN 19/10/2009Language:
English
Version:
19/10/2009
File size:
1.1 MB
File name:
Media release_Investing in Memosens saves costs_SD144_EN_10-2009.pdf
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Special Documentation (SD)
Functional Safety Manual Liquiline M CM42
Memosens transmitter
EN 10/08/201514/03/2011Language:
English
Version:
10/08/2015
File size:
1.8 MB
File name:
SD00153CEN_1415.pdf
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