Technical Data
CompareAnalyser
| Measuring Principle | Potentiometric / ISE |
| Characteristic | Robust plastic housing All non-ex applications |
| Design | 2 to 4x Memosens input, 2 to 8x current output Alarmrelay, 4x relay, SD card for software update and copy & paste of setup |
| Process temperature | -20 to 55 °C (0 to 130 °F) |
| Application | Modular 4 wire controller Multichannel: 1 to 4 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 4 sensors connectable in any combination Functionality modular extendable at any time Plug and play for modules and sensors |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs, alarmrelay, 4x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet |
| Input | 1 to 4x Memosens digital input 2x 0/4 to 20mA Input optional 2 to 4x Digital input optional |
Conductivity
| Measuring Principle | Conductive |
| Application | Modular 4 wire controller Multichannel: 1 to 4 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 4 sensors connectable in any combination Functionality modular extendable at any time Plug and play for modules and sensors |
| Characteristic | Robust plastic housing All non-ex applications |
| Design | 2 to 4x Memosens input, 2 to 8x current output Alarmrelay, 4x relay, SD card for software update and copy & paste of setup |
| Material | Housing base: PC-FR Housing seal: EPDM |
| Dimension | 237 x 194 x 162 mm 9.33 x 7.64 x 6.38 inch |
| Process temperature | -20 to 55 °C (0 to 130 °F) |
| Ingress protection | IP66 / IP 67 |
| Input | 1 to 4x Memosens digital input 2x 0/4 to 20mA Input optional 2 to 4x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs, alarmrelay, 4x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet |
| Certificates, declarations and approvals | EAC, cCSAus |
Disinfection
| Measuring Principle | Free chlorine |
| Application | Modular 4 wire controller Multichannel: 1 to 4 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 4 sensors connectable in any combination Functionality modular extendable at any time Plug and play for modules and sensors |
| Characteristic | Robust plastic housing All non-ex applications |
| Design | 2 to 4x Memosens input, 2 to 8x current output Alarmrelay, 4x relay, SD card for software update and copy & paste of setup |
| Material | Housing base: PC-FR Housing seal: EPDM |
| Dimension | 237 x 194 x 162 mm 9.33 x 7.64 x 6.38 inch |
| Process temperature | -20 to 55 °C (0 to 130 °F) |
| Input | 1 to 4x Memosens digital input 2x 0/4 to 20mA Input optional 2 to 4x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs, alarmrelay, 4x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet |
| Certificates, declarations and approvals | EAC, cCSAus |
ORP / Redox
| Measuring Principle | Sensor ORP / Redox |
| Application | Modular 4 wire controller Multichannel: 1 to 4 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 4 sensors connectable in any combination Functionality modular extendable at any time Plug and play for modules and sensors |
| Characteristic | Robust plastic housing All non-ex applications |
| Design | 2 to 4x Memosens input, 2 to 8x current output Alarmrelay, 4x relay, SD card for software update and copy & paste of setup |
| Material | Housing base: PC-FR Housing seal: EPDM |
| Dimension | 237 x 194 x 162 mm 9.33 x 7.64 x 6.38 inch |
| Process temperature | -20 to 55 °C (0 to 130 °F) |
| Ingress protection | IP66 / IP 67 |
| Input | 1 to 4x Memosens digital input 2x 0/4 to 20mA Input optional 2 to 4x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs, alarmrelay, 4x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet |
| Certificates, declarations and approvals | EAC, cCSAus |
Oxygen
| Measuring Principle | Amperometric oxygen measurement |
| Application | Modular 4 wire controller Multichannel: 1 to 4 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 4 sensors connectable in any combination Functionality modular extendable at any time Plug and play for modules and sensors |
| Characteristic | Robust plastic housing All non-ex applications |
| Design | 2 to 4x Memosens input, 2 to 8x current output Alarmrelay, 4x relay, SD card for software update and copy & paste of setup |
| Material | Housing base: PC-FR Housing seal: EPDM |
| Dimension | 237 x 194 x 162 mm 9.33 x 7.64 x 6.38 inch |
| Process temperature | -20 to 55 °C (0 to 130 °F) |
| Input | 1 to 4x Memosens digital input 2x 0/4 to 20mA Input optional 2 to 4x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs, alarmrelay, 4x relay, ProfibusDP, Modbus RS485, Modbus TCP, Etherne |
| Certificates, declarations and approvals | EAC, cCSAus |
Sludge Level
| Measuring Principle | Ultrasonic sensor |
| Application | Modular 4 wire controller Multichannel: 1 to 4 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 4 sensors connectable in any combination Functionality modular extendable at any time Plug and play for modules and sensors |
| Characteristic | Robust plastic housing All non-ex applications |
| Design | 2 to 4x Memosens input, 2 to 8x current output Alarmrelay, 4x relay, SD card for software update and copy & paste of setup |
| Material | Housing base: PC-FR Housing seal: EPDM |
| Dimension | 237 x 194 x 162 mm 9.33 x 7.64 x 6.38 inch |
| Process temperature | -20 to 55 °C (0 to 130 °F) |
| Ingress protection | IP66 / IP 67 |
| Input | 1 to 4x Memosens digital input 2x 0/4 to 20mA Input optional 2 to 4x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs, alarmrelay, 4x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet |
| Certificates, declarations and approvals | EAC, cCSAus |
Turbidity
| Measuring Principle | Single beam scattered light |
| Application | Modular 4 wire controller Multichannel: 1 to 4 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 4 sensors connectable in any combination Functionality modular extendable at any time Plug and play for modules and sensors |
| Characteristic | Robust plastic housing All non-ex applications |
| Design | 2 to 4x Memosens input, 2 to 8x current output Alarmrelay, 4x relay, SD card for software update and copy & paste of setup |
| Material | Housing base: PC-FR Housing seal: EPDM |
| Dimension | 237 x 194 x 162 mm 9.33 x 7.64 x 6.38 inch |
| Process temperature | -20 to 55 °C (0 to 130 °F) |
| Ingress protection | IP66 / IP 67 |
| Input | 1 to 4x Memosens digital input 2x 0/4 to 20mA Input optional 2 to 4x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs, alarmrelay, 4x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet |
| Certificates, declarations and approvals | EAC, cCSAus |
pH
| Measuring Principle | Potentiometric |
| Application | Modular 4 wire controller Multichannel: 1 to 4 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 4 sensors connectable in any combination Functionality modular extendable at any time Plug and play for modules and sensors |
| Characteristic | Robust plastic housing All non-ex applications |
| Design | 2 to 4x Memosens input, 2 to 8x current output Alarmrelay, 4x relay, SD card for software update and copy & paste of setup |
| Material | Housing base: PC-FR Housing seal: EPDM |
| Dimension | 237 x 194 x 162 mm 9.33 x 7.64 x 6.38 inch |
| Process temperature | -20 to 55 °C (0 to 130 °F) |
| Ingress protection | IP66 / IP 67 |
| Input | 1 to 4x Memosens digital input 2x 0/4 to 20mA Input optional 2 to 4x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs, alarmrelay, 4x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet |
| Certificates, declarations and approvals | EAC, cCSAus |
The Liquiline CM444 digital multi-parameter measuring transmitter is suitable for all kinds of process monitoring and control. Its modular structure is easy to expand. The four-channel controller enables seamless system integration, easy operation, reduced spare part storage and time and cost savings. The Liquiline CM444 offers first-class performance and ensures the highest process safety.
Advantages
Simple and flexible: one controller can be used for all parameter measurements, intuitive user interface, automatic sensor recognition, plug-and-play with pre-calibrated Memosens sensors
Strong adaptability: universal modules reduce spare part inventory and allow easy one-click expansion to an eight-channel measuring system at any time
Seamless system integration: unique combination of communication standards, suitable for various distributed control systems (DCS)
Simple and safe commissioning: communication with other devices via SD card, convenient setup, saving time and costs
Process control and safety: via the built-in web server, operators can remotely access diagnostic data and parameter settings, or access device parameters through any web browser - even via smartphone
Areas of application
The Liquiline CM444 multi-parameter transmitter is suitable for all non-hazardous areas, including the following industries and their utilities:
Food&beverage
Life sciences
Power&energy
Water&wastewater
Chemical industry
The Liquiline CM444 is compatible with all common communication protocols and interfaces, such as:
0/4...20 mA
HART
PROFIBUS DP
Modbus TCP / Modbus RS485
EtherNet/IP
Web server
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Technical documentation
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Related Models
| Model | Name |
|---|---|
| CM444-AAM41A5FF10BAA | 四通道变送器 |
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。
