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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Technical data
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Source:Endress+Hauserpublic information from the website
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 |
Case Studies
市政污水处理污水处理厂 · 多参数应用案例
项目背景
市政污水处理客户在污水处理厂环节，长期面临「出水水质监测精度不足、仪表易受污染导致数据漂移，影响达标排放」的困扰，对多参数的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的多参数，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应市政污水处理复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
食品饮料食品生产线 · 多参数应用案例
项目背景
食品饮料客户在食品生产线环节，长期面临「卫生级测量要求高，在线仪表需耐 CIP/SIP 清洗且精度稳定」的困扰，对多参数的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的多参数，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应食品饮料复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
化工制药反应釜与储罐 · 多参数应用案例
项目背景
化工制药客户在反应釜与储罐环节，长期面临「介质腐蚀性强、工况复杂，仪表需耐腐蚀且防爆」的困扰，对多参数的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的多参数，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应化工制药复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
电力能源电厂锅炉与汽机 · 多参数应用案例
项目背景
电力能源客户在电厂锅炉与汽机环节，长期面临「高温高压工况下测量不稳定，维护停机成本高」的困扰，对多参数的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的多参数，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应电力能源复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
