Technical Data
CompareConductivity
| Measuring Principle | Conductive |
| Application | Modular 4 wire controller Multichannel:1-8 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...8x current output alarmrelay 2x relay SD card for software update and copy & paste of setup |
| Material | Polycarbonate |
| Dimension | 220 (8.66) x 100 (3.94) x 98 (3.86) mm (inch) |
| Process temperature | -20...55°C / 0...130°F |
| Ingress protection | IP20 transmitter IP66 optional Display |
| Input | 1...8x Memosens digital input 2x 0/4..20mA Input optional 2..4x Digital input optional |
| Output / communication | 2...8x 0/4...20 mA current outputs alarmrelay 4x relay ProfibusDP Modbus RS485 Modbus TCP Ethernet |
Disinfection
| Measuring Principle | Total chlorine |
| Application | Modular 4 wire controller Multichannel:1-8 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...8x current output alarmrelay 2x relay SD card for software update and copy & paste of setup |
| Material | Polycarbonate |
| Dimension | 220 (8.66) x 100 (3.94) x 98 (3.86) mm (inch) |
| Process temperature | -20...55°C / 0...130°F |
| Input | 1...8x Memosens digital input 2x 0/4..20mA Input optional 2..4x Digital input optional |
| Output / communication | 2...8x 0/4...20 mA current outputs alarmrelay 4x relay ProfibusDP Modbus RS485 Modbus TCP Ethernet |
ORP / Redox
| Measuring Principle | Sensor ORP / Redox |
| Application | Modular 4 wire controller Multichannel:1-8 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...8x current output alarmrelay 2x relay SD card for software update and copy & paste of setup |
| Material | Polycarbonate |
| Dimension | 220 (8.66) x 100 (3.94) x 98 (3.86) mm (inch |
| Process temperature | -20...55°C / 0...130°F |
| Ingress protection | IP20 transmitter IP66 optional Display |
| Input | 1...8x Memosens digital input 2x 0/4..20mA Input optional 2..4x Digital input optional |
| Output / communication | 2...8x 0/4...20 mA current outputs alarmrelay 4x relay ProfibusDP Modbus RS485 Modbus TCP Ethernet |
Oxygen
| Measuring Principle | Amperometric oxygen measurement |
| Application | Modular 4 wire controller Multichannel:1-8 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...8x current output alarmrelay 2x relay SD card for software update and copy & paste of setup |
| Material | Polycarbonate |
| Dimension | 220 (8.66) x 100 (3.94) x 98 (3.86) mm (inch) |
| Process temperature | -20...55°C / 0...130°F |
| Input | 1...8x Memosens digital input 2x 0/4..20mA Input optional 2..4x Digital input optional |
| Output / communication | 2...8x 0/4...20 mA current outputs alarmrelay 4x relay ProfibusDP Modbus RS485 Modbus TCP Ethernet |
Sludge Level
| Measuring Principle | Ultrasonic sensor |
| Application | Modular 4 wire controller Multichannel:1-8 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...8x current output alarmrelay 2x relay SD card for software update and copy & paste of setup |
| Material | Polycarbonate |
| Dimension | 220 (8.66) x 100 (3.94) x 98 (3.86) mm (inch) |
| Process temperature | -20...55°C / 0...130°F |
| Ingress protection | IP20 transmitter IP66 optional Display |
| Input | 1...8x Memosens digital input 2x 0/4..20mA Input optional 2..4x Digital input optional |
| Output / communication | 2...8x 0/4...20 mA current outputs alarmrelay 4x relay ProfibusDP Modbus RS485 Modbus TCP Ethernet |
Turbidity
| Measuring Principle | Single beam scattered light |
| Application | Modular 4 wire controller Multichannel:1-8 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...8x current output alarmrelay 2x relay SD card for software update and copy & paste of setup |
| Material | Polycarbonate |
| Dimension | 220 (8.66) x 100 (3.94) x 98 (3.86) mm (inch) |
| Process temperature | -20...55°C / 0...130°F |
| Ingress protection | IP20 transmitter IP66 optional Display |
| Input | 1...8x Memosens digital input 2x 0/4..20mA Input optional 2..4x Digital input optional |
| Output / communication | 2...8x 0/4...20 mA current outputs alarmrelay 4x relay ProfibusDP Modbus RS485 Modbus TCP Ethernet |
pH
| Measuring Principle | Potentiometric |
| Application | Modular 4 wire controller Multichannel:1-8 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...8x current output alarmrelay 2x relay SD card for software update and copy & paste of setup |
| Material | Polycarbonate |
| Dimension | 220 (8.66) x 100 (3.94) x 98 (3.86) mm (inch) |
| Process temperature | -20...55°C / 0...130°F |
| Ingress protection | IP20 transmitter IP66 optional Display |
| Input | 1...8x Memosens digital input 2x 0/4..20mA Input optional 2..4x Digital input optional |
| Output / communication | 2...8x 0/4...20 mA current outputs alarmrelay 4x relay ProfibusDP Modbus RS485 Modbus TCP Ethernet |
The Liquiline CM448R digital multiparameter transmitter is suitable for all kinds of process monitoring and control, and can be used in measuring applications with limited installation space. It enables fast and simple system integration, installation and operation, saving time and costs. The eight-channel device can easily be adapted to the measuring process, connecting 1 to 8 sensors as required. The Liquiline CM448R offers first-class performance, simple operation and maximum process safety.
Benefits
Space-saving and cost-reducing: compact eight-channel device for rail mounting in the cabinet.
Fast installation: no cutout in the cabinet door, one-click DIN rail mounting, minimum wiring
Simple, safe commissioning: save the configuration on an SD card for fast setup during repeated installation.
Simple operation and service: intuitive user panel, plug & play with pre-calibrated Memosens sensors, universal components for measuring all parameters.
Remote process control: via the integrated web server, operators can access diagnostic data remotely, configure parameters, or access device parameters through any web browser - even via smartphone.
Higher availability, lower costs:
Heartbeat Technology enables maintenance based on device status, easy verification of the measuring point, and supports the implementation of optimization measures.
Applications
The Liquiline CM448R multiparameter transmitter is suitable for all measurements in non-hazardous areas, including the following industries and their utilities:
Food & beverage
Life sciences
Power & energy
Water & wastewater
Chemical industry
The Liquiline CM448R 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
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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