Specs at a glance
Input
One channel transmitter for Memosens and analog (pH, ORP, conductivity)
Output / communication
4 to 20 mA, HART (optional), additional second output possible; HART communication, also later activatable
Ingress protection
Field housing: IP66/67 (IEC 60529) NEMA 4X (UL 50E) DIN-rail housing: IP20
Field of application
Liquiline CM42B provides precise and reliable measurement of pH, ORP, conductivity or oxygen in demanding process applications. Benefit from its intuitive local operation and configuration and use its Bluetooth interface and the SmartBlue app to get a detailed measuring point overview on your mobile devices. The Bluetooth communication is secured by a unique concept. No need to worry about intruders. Different device versions allow for flexible adaptation to all installation requirements.
The Liquiline CM42B transmitter is suitable for demanding process applications in the following industries
With its international explosion protection approvals, such as IECEx, ATEX, C/US IS Cl. I div 1 and CHN-Ex, the transmitter is suitable for hazardous areas.
Benefits
Comfortable operation and configuration: The intuitive operating concept makes commissioning and configuration on-site easy and fast. Bluetooth connection and the SmartBlue app provide an overview of the measuring point on your smartphone or tablet.
Unique security : The Bluetooth connection features a unique security concept that prevents intrusion and enables sophisticated role management of the operating staff. You profit from external and internal security.
Suitable for all process environments: The transmitter is available as stainless steel, plastic or DIN-rail version. Simply select the suitable version to integrate it into a skid, use it in hygienic environments or apply it in hazardous areas.
Increased process safety and uptime: Memosens technology provides you with safe, digital data transmission and high availability of measured values. Plug & play of pre-calibrated sensors reduces process downtime for calibration.
Seamless system integration: Liquiline CM42B offers HCF-certified HART communication which makes integration into your process control system easy and secure.
Extended selection
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Easy to select, install and operate
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Reliable, robust and low-maintenance
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Designed for demanding applications
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Fundamental selection
Meet your basic measurement needs
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Handle your core processes easily
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Optimize your processes with innovative technologies
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Master your most challenging applications
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Application
Chemical processes, pharmaceuticals industry, food and beverage technology, applications in hazardous areas
Characteristic
Liquiline CM42B is a modular two-wire transmitter for all areas of process engineering
Measuring principle
Memosens und analog Parameter; DIN-rail device Memosens only
Design
Depending on the ordered version, Liquiline CM42B has one or two analog current outputs or it can be connected to fieldbus with HART protocol
Material
Plastic or stainless steel housing with EPDM sealings or DIN-rail housing for cabinet installations with separate display
Dimension
Plastic/stainless steel housing: 148 x 155 x 152 mm; 5.83 x 6.10 x 6.00 inches DIN-rail housing: 139.5 x 163.7 x 75.1 mm; 5.49 x 6.44 x 2.96 inches"
Temperature sensor
Applicable sensors Pt100, Pt1000, NTC 30K
Ex certification
ATEX, IECEx, C/US, CHN-Ex
Ingress protection
Field housing: IP66/67 (IEC 60529) NEMA 4X (UL 50E) DIN-rail housing: IP20
Input
One channel transmitter for Memosens and analog (pH, ORP, conductivity)
Output / communication
4 to 20 mA, HART (optional), additional second output possible; HART communication, also later activatable
Application
Chemical processes, pharmaceuticals industry, food and beverage technology, applications in hazardous areas
Characteristic
Liquiline CM42B is a modular two-wire transmitter for all areas of process engineering
Measuring principle
Memosens und analog Parameter; DIN-rail device Memosens only
Design
Depending on the ordered version, Liquiline CM42B has one or two analog current outputs or it can be connected to fieldbus with HART protocol
Material
Plastic or stainless steel housing with EPDM sealings or DIN-rail housing for cabinet installations with separate display
Dimension
Plastic/stainless steel housing: 148 x 155 x 152 mm; 5.83 x 6.10 x 6.00 inches DIN-rail housing: 139.5 x 163.7 x 75.1 mm; 5.49 x 6.44 x 2.96 inches
Temperature sensor
Applicable sensors Pt100, Pt1000, NTC 30K
Ex certification
ATEX, IECEx, C/US, CHN-Ex
Ingress protection
Field housing: IP66/67 (IEC 60529) NEMA 4X (UL 50E) DIN-rail housing: IP20
Input
One channel transmitter for Memosens and analog (pH, ORP, conductivity)
Output / communication
4 to 20 mA, HART (optional), additional second output possible; HART communication, also later activatable
Application
Chemical processes, pharmaceuticals industry, food and beverage technology, applications in hazardous areas
Characteristic
Liquiline CM42B is a modular two-wire transmitter for all areas of process engineering
Measuring principle
Memosens und analog Parameter; DIN-rail device Memosens only
Design
Depending on the ordered version, Liquiline CM42B has one or two analog current outputs or it can be connected to fieldbus with HART protocol
Material
Plastic or stainless steel housing with EPDM sealings or DIN-rail housing for cabinet installations with separate display
Dimension
Plastic/stainless steel housing: 148 x 155 x 152 mm; 5.83 x 6.10 x 6.00 inches DIN-rail housing: 139.5 x 163.7 x 75.1 mm; 5.49 x 6.44 x 2.96 inches
Temperature sensor
Applicable sensors Pt100, Pt1000, NTC 30K
Ex certification
ATEX, IECEx, C/US, CHN-Ex
Ingress protection
Field housing: IP66/67 (IEC 60529) NEMA 4X (UL 50E) DIN-rail housing: IP20
Input
One channel transmitter for Memosens and analog (pH, ORP, conductivity)
Output / communication
4 to 20 mA, HART (optional), additional second output possible; HART communication, also later activatable
Measuring principle
Amperometric oxygen measurement
Application
Chemical processes, pharmaceuticals industry, food and beverage technology, applications in hazardous areas
Characteristic
Liquiline CM42B is a modular two-wire transmitter for all areas of process engineering
Measuring principle
Memosens und analog Parameter; DIN-rail device Memosens only
Design
Depending on the ordered version, Liquiline CM42B has one or two analog current outputs or it can be connected to fieldbus with HART protocol
Material
Plastic or stainless steel housing with EPDM sealings or DIN-rail housing for cabinet installations with separate display
Dimension
Plastic/stainless steel housing: 148 x 155 x 152 mm; 5.83 x 6.10 x 6.00 inches DIN-rail housing: 139.5 x 163.7 x 75.1 mm; 5.49 x 6.44 x 2.96 inches
Temperature sensor
Applicable sensors Pt100, Pt1000, NTC 30K
Ex certification
ATEX, IECEx, C/US, CHN-Ex
Ingress protection
Field housing: IP66/67 (IEC 60529) NEMA 4X (UL 50E) DIN-rail housing: IP20
Input
One channel transmitter for Memosens and analog (pH, ORP, conductivity)
Output / communication
4 to 20 mA, HART (optional), additional second output possible; HART communication, also later activatable
Most downloaded
TI Liquiline CM42B
English version - 02/2025
Two-wire transmitter
Field device and device for DIN rail mounting
EN
DE ES FR IT JA PL PT RU ZH
25/02/2025
Language:
English
Version:
25/02/2025
File size:
4.8 MB
File name:
TI01817CEN_0125-00.pdf
37 documents
Two-wire transmitter Field device and device for DIN rail mounting
EN
German Spanish French Italian Japanese Polish Portuguese Russian Chinese
25/02/2025
Language:
English
Version:
25/02/2025
File size:
4.8 MB
File name:
TI01817CEN_0125-00.pdf
Two-wire transmitter Device for DIN rail mounting
EN
German Spanish French Italian Japanese Portuguese Russian Chinese
24/02/2025
Language:
English
Version:
24/02/2025
File size:
3.8 MB
File name:
BA02381CEN_0125-00.pdf
Two-wire transmitter Field device
EN
German Spanish French Italian Japanese Portuguese Russian Chinese
24/02/2025
Language:
English
Version:
24/02/2025
File size:
4 MB
File name:
BA02380CEN_0125-00.pdf
Two-wire transmitter Device for DIN rail mounting
EN
Bulgarian Czech Danish German Greek Spanish Estonian Finnish French Croatian Hungarian Indonesian Italian Japanese Korean Lithuanian Latvian Dutch Norwegian Polish Portuguese Romanian Russian Slovak Slovenian Swedish Thai Turkish Chinese
21/01/2025
Language:
English
Version:
21/01/2025
File size:
3.8 MB
File name:
KA01731CEN_0124-00.pdf
Two-wire transmitter Field device
EN
Bulgarian Czech Danish German Greek Spanish Estonian Finnish French Croatian Hungarian Indonesian Italian Japanese Korean Lithuanian Latvian Dutch Norwegian Polish Portuguese Romanian Russian Slovak Slovenian Swedish Thai Turkish Chinese
21/01/2025
Language:
English
Version:
21/01/2025
File size:
3.8 MB
File name:
KA01730CEN_0124-00.pdf
EA Spare parts kits for Liquiline CM42B
Electronic and mechanical components
EN
German Japanese
18/03/2025
Language:
English
Version:
18/03/2025
File size:
4.4 MB
File name:
EA01516CEN_0125-00.pdf
Two-wire transmitter ATEX: II 1G Ex ia IIC T6/T4 Ga IECEx: Ex ia IIC T6/T4 Ga
EN
Bulgarian Czech Danish German Greek Spanish Estonian Finnish French Croatian Hungarian Italian Lithuanian Latvian Dutch Polish Portuguese Romanian Slovak Slovenian Swedish
03/06/2025
Language:
English
Version:
03/06/2025
File size:
773.5 KB
File name:
XA03507CEN_0125-00.pdf
Two-wire transmitter CHN Ex ia IIC T6/T4 Ga
Language:
English
Version:
23/07/2025
File size:
550.5 KB
File name:
XA03619CEN_0125-00.pdf
2 線式変換器 JPN Ex ia IIC T6/T4 Ga
Language:
Japanese
Version:
03/06/2025
File size:
1.2 MB
File name:
XA03539CJA_0125-00.pdf
Two-wire transmitter CAN/US IS Cl. I Div. 1 GP A-D T6/T4 CAN/US IS Cl. I Zone 0 A Ex ia IIC T6/T4 Ga CAN/US NI Cl. I Div. 2 GP A-D T6/T4
EN
French
09/08/2025
01/07/2025
Language:
English
Version:
09/08/2025
File size:
522.4 KB
File name:
XA03509CEN_0225-00.pdf
Two-wire transmitter UK Ex II 1G Ex ia IIC T6/T4 Ga
Language:
English
Version:
25/04/2025
File size:
770 KB
File name:
XA03540CEN_0125-00.pdf
Two-wire multiparameter transmitter
Language:
English
Version:
20/10/2025
File size:
665.3 KB
File name:
SD03378CEN_0225-00.pdf
Two-wire multiparameter transmitter
Language:
English
Version:
02/07/2025
File size:
420.8 KB
File name:
SD03438CEN_0125-00.pdf
Optimieren Sie Ihre kritischen Prozesse
Präzise und sichere Messung von pH, Redox, Leitfähigkeit oder Sauerstoff mit dem Messumformer Liquiline CM42B
Language:
German
Version:
14/03/2025
File size:
12 MB
File name:
IN01359CDE_Liquiline_CM42B_ebrochure.pdf
Ottimizzare le applicazioni
impegnative
Ottimizzare le applicazioni impegnative Misura precisa e sicura di pH, ORP, conducibilità o ossigeno con il trasmettitore a due fili Liquiline CM42B
Language:
Italian
Version:
07/04/2025
File size:
11.8 MB
File name:
IN01359CIT_Liquiline_CM42B_eBrochure.pdf
Optimizing demanding applications
Precise and safe measurement of pH, ORP, conductivity or oxygen with Liquiline CM42B two-wire transmitter
Language:
English
Version:
09/01/2025
File size:
12.2 MB
File name:
IN01359CEN_Liquiline_CM42B_ebrochure.pdf
Product family: Liquiline
Product root: CM42B- Declaration number: EU_01232_01.25 Additional information: Ex ia IIC T6/T4 Ga
EN
German French
20/02/2025
Language:
English
Version:
20/02/2025
File size:
331.3 KB
File name:
EU_01232_01.25.pdf
Product family: Liquiline
Product root: CM42B- Declaration number: EU_01231_01.25
EN
German French
20/02/2025
Language:
English
Version:
20/02/2025
File size:
329.6 KB
File name:
EU_01231_01.25.pdf
Product family: Liquiline
Product root: CM42B- Declaration number: UK_00614_01.25 Additional information: UK DoC for CM42B Ex ia.
Language:
English
Version:
12/06/2025
File size:
335.1 KB
File name:
UK_00614_01.25.pdf
Product family: Liquiline
Product root: CM42B- Declaration number: UK_00613_01.25 Additional information: UK DoC for CM42B non-ex.
Language:
English
Version:
12/06/2025
File size:
332.7 KB
File name:
UK_00613_01.25.pdf
Product family: Liquiline
Product root: CM42B- Region: Europe (ATEX) Approval agency: TÜV Protection: Ex i Zone 0
Language:
English
Version:
12/12/2024
File size:
218 KB
File name:
TUV 24 ATEX 9071 X_Issue01.pdf
Product family: Liquiline
Product root: CM42B- Region: Europe (ATEX) Approval agency: TÜV Protection: Ex i Zone 0
Language:
English
Version:
11/09/2024
File size:
220.3 KB
File name:
TUV 24 ATEX 9071 X_Issue00.pdf
Product family: Liquiline
Product root: CM42B- Region: South Africa Approval agency: MTEx Protection: Ex i
Language:
English
Version:
13/03/2025
File size:
416.4 KB
File name:
J3002_IAT_CM42B_TUV_24_ATEX_9071_X_Rev_0_Signatures-donovan_mtexlab.co.za.pdf
Product family: Liquiline, Liquiline M
Product root: CM42B- Region: Great Britain Approval agency: TÜV Protection: Ex i Zone 0
Language:
English
Version:
23/06/2025
File size:
1.3 MB
File name:
TUV 25 UKEX 7180 X_60182808_0001_sign by ExCB.pdf
Product family: Liquiline
Product root: CM42B- Region: Japan Approval agency: TÜV Protection: Ex i Zone 0
Language:
English
Version:
16/06/2025
File size:
353.3 KB
File name:
CM42B_Certificate_TUV 25 JPEX 0008 X_Issue 00_Rev 2025-08-28_sign by ExCB.pdf
Product family: Liquiline
Product root: CM42B- Region: International (IECEx) Approval agency: TÜV Protection: Ex i Zone 0
Language:
English
Version:
11/09/2024
File size:
537 KB
File name:
IECEx_TUR_24.0001X_Issue00_2024-09-11.pdf
Product family: Liquiline
Product root: CM42B- Region: Canada Approval agency: CSA Protection: IS Cl. I Div. 1, IS Cl. I Div. 2, IS Cl. I Zone 0
Language:
English
Version:
23/05/2025
File size:
191.6 KB
File name:
CSA_CoC_80229832_Ed01_CM42B.pdf
Product family: Liquiline
Product root: CM42B- Region: International (IECEx) Approval agency: TÜV Protection: Ex i Zone 0
Language:
English
Version:
12/12/2024
File size:
537.2 KB
File name:
IECEx_TUR_24.0001X_Issue01_2024-12-12.pdf
Product family: Liquiline
Product root: CM42B- Region: India Approval agency: PESO Protection: Ex i Zone 0
Language:
English
Version:
06/10/2025
File size:
127.4 KB
File name:
CM42B_Exia_ATEX_PESO.pdf
Product family: Liquiline
Product root: CM42B- Region: Canada Approval agency: ISED
Language:
English
Version:
24/02/2025
File size:
270.8 KB
File name:
24-110384_ISED_Certificate.pdf
Product family: Liquiline
Product root: CM42B- Region: China Approval agency: SRRC
Language:
Chinese
Version:
06/06/2025
File size:
2.1 MB
File name:
SRRC certificate of Liquiline CM42B.pdf
Product family: Liquiline
Product root: CM42B- Region: Australia Approval agency: ACMA
Language:
English
Version:
04/08/2025
File size:
159.4 KB
File name:
C02 Suppliers declaration of conformity_Liquiline_CM42B.pdf
Product family: Liquiline
Product root: CM42B- Region: USA Approval agency: FCC
Language:
English
Version:
26/02/2025
File size:
242 KB
File name:
JAB_DTS_GRANT_2AKGY-CM42B.pdf
Product family: Liquiline
Product root: CM42B- Region: Japan Approval agency: JPN
Language:
English
Version:
25/02/2025
File size:
469.5 KB
File name:
204-A00058_19_Certificate.pdf
Product family: Liquiline
Product root: CM42B- Region: International Approval agency: CSA General Purpose
Language:
English
Version:
19/02/2025
File size:
69.9 KB
File name:
CA36338CSA_CB-Test-Certificate_CM42B_2025-02-19.pdf
Product family: Liquiline
Product root: CM42B- Region: Canada Approval agency: CSA General Purpose
Language:
English
Version:
15/05/2025
File size:
172.3 KB
File name:
CSA_CoC_80211343_Ed01_CM42B_2025-05-15.pdf
Firmware flash file - Liquiline CM42B pHORP, Liquiline CM42B Conductivity, Liquiline CM42B Oxygen - HART
Endress+Hauser, Field Device, None
Language:
Language neutral
Version:
06/10/2025
File size:
4 MB
File name:
EH_HART_AN_Liquiline_FW01.00.00.zip
60 spare parts & accessories
60 spare parts & accessories
60 spare parts & accessories
Kit CM42B Cable management module
Kit CM42B Base module VICO1
Kit CM42B Input analog CD cont. VSLC1
Kit CM42B Input analog CD ind. VSLI1
Kit CM42B Input analog pH/ORP VSPH1
Kit CM42B Cover + Display
IEC61406 Stainl.steel TAG
IEC61406 Stainl.steel+NFC TAG
IEC61406 Stainl.steel, stainl.steel TAG
IEC61406 Stainl.steel+NFC, stainl.steel
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