Name: Liquiline M CM42B
Brand: Endress+Hauser
Availability: InStock

1-channel transmitter Liquiline CM42B

New

Two-wire field device for hazardous and non-hazardous areas and hygienic applications in chemical, life sciences and food & beverage industries

2-wire transmitter - Perfectly suited for hazardous areas providing all relevant certificates

Liquiline CM42B - Robust stainless steel transmitter for hygienic applications

Liquiline CM42B - DIN-rail transmitter for OEMs and skid builders

Liquiline CM42B - External display in high-quality polycarbonate

Liquiline CM42B - External stainless-steel display

Have questions about this product?

1-channel transmitter Liquiline CM42B

New

Two-wire field device for hazardous and non-hazardous areas and hygienic applications in chemical, life sciences and food & beverage industries

Get a quote

Save to list *Saved to list

Benefits

Comfortable operation and configuration: The intuitive operating concept makes commissioning and configuration on-site easy and fast. Bluetooth connection and the SmartBlue app enable monitoring and operation via your smartphone or tablet.
Unique security: The Bluetooth connection features the unique ProtectBlue 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.
All relevant asset details at hand: The QR code according to EN 61406 offers direct access to all device data forming the basis for digital twins and increasing maintenance efficiency.

Integrated technologies

Services and resources

Product Support Product documentation, troubleshooting articles, device details and more.

FLEXible answers to individual needs

Current product

1-channel transmitter Liquiline CM42B

High-end products
Highly functional and convenient

What is FLEX?

FLEX selections

Technical excellence

Simplicity

Fundamental selection Meet your basic measurement needs

Lean selection Handle your core processes easily

Extended selection Optimize your processes with innovative technologies

Xpert selection Master your most challenging applications

Variable

Learn more about the FLEX selections

Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

Learn more

Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

Learn more

24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

Technology

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

Technology

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

Have questions about this product?

Spare parts and accessories

further parts

Kit CM42B Cable management module

further parts

Order code 71693056

further parts

Kit CM42B Base module VICO1

further parts

Order code 71667901

further parts

Kit CM42B Input analog CD cont. VSLC1

further parts

Order code 71667903

further parts

Kit CM42B Input analog CD ind. VSLI1

further parts

Order code 71667904

Spare parts & accessories

Choose from our suggested options

Looking for more options?

Use the extended configuration to configure from all available options.

<%label%>

<%feature%>

<%coding%>

<%label%>

<%coding%>

<%label%>

<%feature%>

<%message%>

Looking for more options? Use extended configuration

Order code

Add to cart

More actions

Only available on our desktop experience

Use extended configuration

Configuration details

Liquiline CM42B two-wire transmitter for pH, ORP, conductivity or oxygen measurement

One-channel transmitter Liquiline CM42B

Section	ID	Selected option
<%feature%>	<%coding%>	<%label%>

CAD Drawings

Configuration support

Spare parts and accessories

further parts

Kit CM42B Cable management module

further parts

Order code 71693056

further parts

Kit CM42B Base module VICO1

further parts

Order code 71667901

further parts

Kit CM42B Input analog CD cont. VSLC1

further parts

Order code 71667903

further parts

Kit CM42B Input analog CD ind. VSLI1

further parts

Order code 71667904

Spare parts & accessories

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
Measuring principle	Potentiometric
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
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
Measuring principle	Sensor ORP / Redox
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
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
Measuring principle	Conductive
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
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
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

1-channel transmitter Liquiline CM42B

New

1-channel transmitter Liquiline CM42B

New

1-channel transmitter Liquiline CM42B

Product information

Spare parts and accessories

Choose from our suggested options

Spare parts and accessories

My Endress+Hauser

Products & Services

Industries

Support

Company

1-channel transmitter Liquiline CM42B New

1-channel transmitter Liquiline CM42B New

1-channel transmitter Liquiline CM42B

Product information

Spare parts and accessories

Choose from our suggested options

Spare parts and accessories

Products & Services

Industries

Support

Company

We value your privacy

1-channel transmitter Liquiline CM42B

New

1-channel transmitter Liquiline CM42B

New