Technical Data
CompareConductivity
| 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 |
| 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 |
ORP / Redox
| 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 |
| 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 |
Oxygen
| 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 |
pH
| 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 |
| 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 |
CM42B single-channel or dual-channel transmitter (with one reference connection), two-wire field device for use in hazardous and non-hazardous areas of the chemical, life sciences, and food & beverage industries
Advantages
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Easy device operation and configuration: Designed around an intuitive operating concept, field instrument commissioning and configuration are quick and easy. With Bluetooth wireless connectivity and the SmartBlue app, you can view complete measuring point information on a smartphone or tablet.
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Innovative safety and security: Bluetooth wireless connectivity is based on a unique security concept that prevents unauthorized access and assigns access rights according to user roles. Safety inside and out, benefiting customers.
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Meets the requirements of different operating conditions: Transmitter housings are available in various materials: stainless steel, plastic or panel-mounted housings. Select the right version, integrate it into skids, or use it in hygienic applications or hazardous areas.
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Higher process safety and shorter production interruptions: Memosens digital technology enables safe digital data transmission and high availability of measured values. Precalibrated sensors are plug-and-play, reducing the production downtime required for sensor calibration.
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Seamless system integration: The Liquiline CM42B uses HCF-certified HART communication for easy and safe integration into process control systems.
Field of application
The Liquiline CM42B reliably outputs high-precision pH, ORP, conductivity and dissolved oxygen measured values under demanding conditions. Intuitive on-site operation and device configuration with a Bluetooth interface; by installing the SmartBlue app, detailed measuring point information can be viewed on mobile devices. Based on a unique security concept, Bluetooth wireless communication is safe and reliable, without risk of data leakage or loss. Various device versions are available to flexibly match diverse installations.
The Liquiline CM42B transmitter can be used under demanding conditions in the following industries:
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Chemical
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Food & beverage
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Life sciences
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Power & energy
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Oil and gas
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Mining, minerals processing and metallurgy
The transmitter has numerous international explosion protection certifications, such as IECEx, ATEX, C/US IS Cl. I div 1 and China explosion protection certification, and can be used in hazardous areas.
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Source:Endress+Hauserpublic information from the 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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