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1-channel transmitter
Liquiline M CM42

1-channel transmitter 
Liquiline M CM42 ©Endress+Hauser
1-channel transmitter 
Liquiline M CM42 ©Endress+Hauser
1-channel transmitter 
Liquiline M CM42 ©Endress+Hauser

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.

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

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.

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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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  • Specs at a glance

    • Input

      One or two channel transmitter (with one reference connection)

    • Output

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

    • Ingres protection

      IP66, IP67 or NEMA 4X

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  • 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...

  • Field of application

    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...

Features and specifications

Back

Details

  • Measuring principle

    Amperometric oxygen measurement

  • Application

    Chemical processes, pharmaceuticals industry, foodstuff technology, applications in hazardous areas

  • Characteristic

    Liquiline M CM42 is a modular two-wire transmitter for all areas of process engineering

  • Measuring principle

    Connection of analog or digital Memosens sensors

  • Design

    Depending on the ordered version, Liquiline M CM42 has one or two analog current outputs or it can be connected to field busses as per FOUNDATION Fieldbus, PROFIBUS PA and HART protocol
    Liquiline is developed acc. to the international safety standard IEC 61508

  • Material

    Plastic or stainless steel housing with EPDM sealings

  • Dimension

    Plastic housing:
    144 x 144 x 148 mm
    5.67 x 5.67 x 5.83 inch
    Stainless Steel:
    174 x 174 x 134 mm
    6.85 x 6.85 x 5.28 inch

  • Input

    One or two channel transmitter (with one reference connection)

  • Output

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

  • Measuring principle

    Sensor ORP / Redox

  • Application

    Chemical processes, pharmaceuticals industry, foodstuff technology, applications in hazardous areas

  • Characteristic

    Liquiline M CM42 is a modular two-wire transmitter for all areas of process engineering

  • Measuring principle

    Connection of analog or digital Memosens sensors

  • Design

    Depending on the ordered version, Liquiline M CM42 has one or two analog current outputs or it can be connected to field busses as per FOUNDATION Fieldbus, PROFIBUS PA and HART protocol
    Liquiline is developed acc. to the international safety standard IEC 61508

  • Material

    Plastic or stainless steel housing with EPDM sealings

  • Dimension

    Plastic housing:
    144 x 144 x 148 mm
    5.67 x 5.67 x 5.83 inch
    Stainless Steel:
    174 x 174 x 134 mm
    6.85 x 6.85 x 5.28 inch

  • Temperature sensor

    Applicable:
    Pt100, Pt1000, NTC 30K

  • Ex certification

    ATEX, FM, CSA, NEPSI, TIIS

  • Ingres protection

    IP66, IP67 or NEMA 4X

  • Input

    One or two channel transmitter (with one reference connection)

  • Output

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

  • Measuring principle

    Potentiometric

  • Application

    Chemical processes, pharmaceuticals industry, foodstuff technology, applications in hazardous areas

  • Characteristic

    Liquiline M CM42 is a modular two-wire transmitter for all areas of process engineering

  • Measuring principle

    Connection of analog or digital Memosens sensors

  • Design

    Depending on the ordered version, Liquiline M CM42 has one or two analog current outputs or it can be connected to field busses as per FOUNDATION Fieldbus, PROFIBUS PA and HART protocol
    Liquiline is developed acc. to the international safety standard IEC 61508

  • Material

    Plastic or stainless steel housing with EPDM sealings

  • Dimension

    Plastic housing:
    144 x 144 x 148 mm
    5.67 x 5.67 x 5.83 inch
    Stainless Steel:

    174 x 174 x 134 mm
    6.85 x 6.85 x 5.28 inch

  • Temperature sensor

    Applicable:
    Pt100, Pt1000, NTC 30K

  • Ex certification

    ATEX, FM, CSA, NEPSI, TIIS, EAS

  • Ingres protection

    IP66, IP67 or NEMA 4X

  • Input

    One or two channel transmitter (with one reference connection)

  • Output

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

  • Measuring principle

    Potentiometric

  • Application

    Chemical processes, pharmaceuticals industry, foodstuff technology, applications in hazardous areas

  • Characteristic

    Liquiline M CM42 is a modular two-wire transmitter for all areas of process engineering

  • Measuring principle

    Connection of analog or digital Memosens sensors

  • Design

    Depending on the ordered version, Liquiline M CM42 has one or two analog current outputs or it can be connected to field busses as per FOUNDATION Fieldbus, PROFIBUS PA and HART protocol
    Liquiline is developed acc. to the international safety standard IEC 61508

  • Material

    Plastic or stainless steel housing with EPDM sealings

  • Dimension

    Plastic housing:
    144 x 144 x 148 mm
    5.67 x 5.67 x 5.83 inch
    Stainless Steel:
    174 x 174 x 134 mm
    6.85 x 6.85 x 5.28 inch

  • Temperature sensor

    Applicable:
    Pt100, Pt1000

  • Ex certification

    ATEX, FM, CSA, NEPSI, TIIS

  • Ingres protection

    IP66 and IP67

  • Input

    One or two channel transmitter (with one reference connection)

  • Output

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

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
  • 3,9,11,13,
  • 14
    • Nr 14 Order code 51517504

      Kit CM42: Cable glands M20 PC/SS

      Kit can be used for devices with poly carbonate(PC)housing and for devices with stainless steel (SS) housing.

    • Nr 14 Order code 51517505

      Kit CM42: Cable glands NPT1/2" PC/SS

      Kit can be used for devices with poly carbonate (PC) housing and for devices with stainless steel (SS) housing

    • Nr 14 Order code 51517506

      Kit CM42: Cable glands G 1/2" PC

      Use this kit only for devices with poly carbonate (PC) housing and not for devices with stainless steel(SS)housing.

    • Nr 14 Order code 71426655

      Kit CM42: Cable glands G 1/2" SS

      Use this kit only for devices with stainless steel (SS) housing and not for devices with poly carbonate(PC) housing.

    • Order code 71001357

      Kit CM42: mounting plate

    • Order code 51518286

      Pipe mounting kit CM42 stainl.steel

      Application: CM42 stainless steel Pipe diameter 20-61 mm horizontal, vertical mounting Material: stainless steel

    • Order code 51518263

      Pipe mounting kit CM42 PC

      Application: CM42 Polycarbonate Pipe diameter: 20-61 mm Horizontal, vertical mounting Material: stainless steel, powder coated

    • Order code XPRFID-

      Spare RFID TAG

      Consists of: RFID TAG, fixing wire, crimp sleeve.

    • Order code 51517382

      Weather protection roof 253x228 mm, PC

      Application: Liquiline M CM42 Material: Polycarbonate 9,96 x 8,98 inch

    • Order code CYY101-A

      Stainless steel 1.4301, 320x300x270mm

    • Order code 51518284

      Panel mounting kit 138x138 stainl.steel

      Application: CM42 stainless steel For cutout 138 x 138 mm 5,44 x 5,44 inch

    • Order code 51518173

      Panel mounting kit 138x138 mm, PC

      Application: CM42 Polycarbonate For cutout 138 x 138 mm 5,44 x 5,44 inch

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