Technical Data
CompareConductivity
| 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 | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 220 x 100 x 97 mm 8.66 x 3.94 x 3.82 inch |
| Process temperature | 0 to 55 °C (32 to 130 °F) |
| Ingress protection | Transmitter: IP20 Optional Display: IP66 |
| 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 | Total 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 | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 220 x 100 x 97 mm 8.66 x 3.94 x 3.82 inch |
| Process temperature | 0 to 55 °C (32 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 | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 220 x 100 x 97 mm 8.66 x 3.94 x 3.82 inch |
| Process temperature | 0 to 55 °C (32 to 130 °F) |
| Ingress protection | Transmitter: IP20 Optional Display: IP66 |
| 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 | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 220 x 100 x 97 mm 8.66 x 3.94 x 3.82 inch |
| Process temperature | 0 to 55 °C (32 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 |
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 | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 220 x 100 x 97 mm 8.66 x 3.94 x 3.82 inch |
| Process temperature | 0 to 55 °C (32 to 130 °F) |
| Ingress protection | Transmitter: IP20 Optional Display: IP66 |
| 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 | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 220 x 100 x 97 mm 8.66 x 3.94 x 3.82 inch |
| Process temperature | 0 to 55 °C (32 to 130 °F) |
| Ingress protection | Transmitter: IP20 Optional Display: IP66 |
| 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 | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 220 x 100 x 97 mm 8.66 x 3.94 x 3.82 inch |
| Process temperature | 0 to 55 °C (32 to 130 °F) |
| Ingress protection | Transmitter: IP20 Optional Display: IP66 |
| 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 CM444R multi-parameter digital transmitter is suitable for all kinds of process monitoring and control and can be used in measurement applications with limited installation space. Fast and simple installation, operation and handling save time and costs. The four-channel controller can be expanded at any time and can connect up to 8 sensors to meet process measurement requirements. The Liquiline CM444R offers first-class performance, easy operation and ensures the highest process safety.
Advantages
Space and cost saving, compact, four-channel device, expandable at any time, rail mounting in the control cabinet
Fast installation: no opening in the control cabinet door, one-click DIN rail mounting, minimum wiring
Simple and safe commissioning: communication with other devices via SD card, convenient setup, saving time and costs
Simple operation and service: intuitive user panel, plug-and-play with pre-calibrated Memosens sensors, universal components for all parameters
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 CM444R 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 CM444R is compatible with all common communication protocols and interfaces, such as:
0/4...20 mA
HART
PROFIBUS DP
Modbus TCP / Modbus RS485
EtherNet/IP
Webserver
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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。
