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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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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