Technical Data
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| Measuring Principle | Potentiometric / ISE |
| Characteristic | Robust plastic housing All non-ex applications |
| Process temperature | -20 to 55 °C (0 to 130 °F) |
| Application | Modular 4 wire controller Multichannel: 1 to 8 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 8 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 8x 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 8 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 8 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 | 8x Memosens input, 2 to 8x current output, Alarmrelay, 2x 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 |
| Ingress protection | IP66 / IP67 |
| Input | 1 to 8x 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 8 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 8 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 | 8x Memosens input, 2 to 8x current output, Alarmrelay, 2x 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 8x 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 8 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 8 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 | 8x Memosens input, 2 to 8x current output, Alarmrelay, 2x 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 / IP67 |
| Input | 1 to 8x 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 8 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 8 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 | 8x Memosens input, 2 to 8x current output, Alarmrelay, 2x 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 8x 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 8 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 8 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 | 8x Memosens input, 2 to 8x current output, Alarmrelay, 2x 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 / IP67 |
| Input | 1 to 8x 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 8 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity 8 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 | 8x Memosens input, 2 to 8x current output, Alarmrelay, 2x 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 / IP67 |
| Input | 1 to 8x 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 CM448 digital multi-parameter transmitter is suitable for various process monitoring and control. The eight-channel controller saves time and money, enables seamless system integration, is easy to operate and reduces spare part inventory. The eight-channel device adapts to the measurement process and can connect 1 to 8 sensors as required. The Liquiline CM448R offers first-class performance, easy operation and ensures the highest process safety.
Advantages
Smart and simple: one controller for all parameters and conditions, intuitive user interface, automatic sensor recognition, plug-and-play with pre-calibrated Memosens sensors
Complete solution: eight-channel transmitter offering the highest application flexibility for every measuring task
Seamless system integration: unique combination of communication standards, compatible with various distributed control systems (DCS)
Simple and safe commissioning: use an SD card to conveniently configure similar devices, saving time and labor
Process control and safety: the built-in web server allows operators to remotely view diagnostic data and parameter settings, or access device parameters on any web browser via smartphone
Areas of application
The Liquiline CM448 multi-parameter transmitter is suitable for all non-hazardous applications, for example the following industries and their sub-industries:
Food&beverage
Life sciences
Power&energy
Water&wastewater
Chemical industry
The Liquiline CM444 is suitable for 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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Endress+Hauser多参数变送器
Endress+Hauser