Technical Data
CompareConductivity
| Measuring Principle | Conductive |
| 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 | Resistance measurement |
| 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 |
| 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, IECEx, FM, CSA, NEPSI, EAC, UKEx, JPN Ex |
| Ingress protection | IP66/67, NEMA 4X |
| Input | One channel transmitter for Memosens and analog (pH, ORP, conductivity) |
| Output / communication | 1/2 x 4 to 20 mA, HART, Profibus PA, FF Additional second output possible, also later |
ORP / Redox
| 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 | ORP measurement |
| 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 |
| 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, IECEx, FM, CSA, NEPSI, EAC, UKEx, JPN Ex |
| Ingress protection | IP66/67, NEMA 4X |
| 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 |
Oxygen
| 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 oxygen sensors with Memosens coupling |
| 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 |
| 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 |
| Ex certification | ATEX, IECEx, FM, CSA, NEPSI, EAC, UKEx, JPN Ex |
| Ingress protection | IP66/67, NEMA4X |
| Input | One channel transmitter for Memosens and analog (pH, ORP, conductivity) |
| Output / communication | 1/2 x 4 to 20 mA, HART, Profibus PA, FF Additional second output possible, also later |
pH
| Measuring Principle | ISFET |
| 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 | Potentiometric pH measurement |
| 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 |
| 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, IECEx, FM, CSA, NEPSI, EAC, UKEx, JPN Ex |
| Ingress protection | IP66/67, NEMA 4X |
| Input | One channel transmitter for Memosens and analog (pH, ORP, conductivity) |
| Output / communication | 1/2 x 4 to 20 mA, HART, Profibus PA, FF Additional second output possible, also later |
The CM42 is intended for hazardous areas. For non-hazardous applications, please select the CM442.
The Liquiline M CM42 transmitter is rugged and suitable for pH/ORP, conductivity and dissolved oxygen measurement in a wide range of industrial processes. It is the best choice for demanding applications such as hygienic environments, hazardous areas and functional safety areas. The intuitive Liquiline operating concept simplifies operation, handling and maintenance, saving time. Easy parameter switching and seamless system integration allow flexible and precise adaptation to the measuring task.
Benefits:
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Quick setup with jog dial, simple commissioning
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Pre-calibrated Memosens sensors for plug-and-play
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Modular design reduces spare parts inventory
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Predictive maintenance system detects whether the sensor needs cleaning, calibration or replacement
Application areas:
The Liquiline CM42 transmitter is suitable for process measurement, including the following industries and their utilities:
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Chemical industry
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Food & Beverage
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Life sciences
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Power & Energy
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Oil & Gas
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Primary raw materials & metallurgy
The Liquiline CM42 is compatible with the following communication protocols and interfaces:
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0/4...20 mA
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HART
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PROFIBUS PA
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FOUNDATION Fieldbus
International explosion protection approvals such as IECEx, ATEX, FM, CSA, TIIS and NEPSI; suitable for explosion hazardous areas.
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Measuring principle video
Source: public information from the Endress+Hauser website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Multi-parameter Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Multi-parameter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Multi-parameter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Multi-parameter Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Multi-parameter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Multi-parameter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Multi-parameter Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Multi-parameter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Multi-parameter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Multi-parameter Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Multi-parameter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Multi-parameter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
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