Technical Data
CompareConductivity
| Measuring Principle | Conductive |
| Application | Modular 4 wire controller Multichannel: 1/2 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity Two 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 | 2x Memosens input, 2 to 4x current output, alarmrelay 2x relay, SD card for software update and copy & paste of setup |
| Material | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 99 x 100 x 97 mm 3.9 x 3.94 x 3.82 inch |
| Process temperature | 0 to 60 °C (32 to 140 °F) |
| Ingress protection | Transmitter: IP20 Optional Display: IP66 |
| Input | 1 to 2x Memosens digital input 2x 0/4 to 20mA Input optional 2x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs Alarmrelay, 2x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet |
| Certificates, declarations and approvals | EAC, cCSAus |
Disinfection
| Measuring Principle | Total chlorine |
| Application | Modular 4 wire controller Multichannel: 1/2 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity Two 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 | 2x Memosens input, 2 to 4x current output, alarmrelay 2x relay, SD card for software update and copy & paste of setup |
| Material | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 99 x 100 x 97 mm 3.9 x 3.94 x 3.82 inch |
| Process temperature | 0 to 60 °C (32 to 140 °F) |
| Input | 1 to 2x Memosens digital input 2x 0/4 to 20mA Input optional 2x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs Alarmrelay, 2x 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: 1/2 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity Two 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 | 2x Memosens input, 2 to 4x current output, alarmrelay 2x relay, SD card for software update and copy & paste of setup |
| Material | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 99 x 100 x 97 mm 3.9 x 3.94 x 3.82 inch |
| Process temperature | 0 to 60 °C (32 to 140 °F) |
| Ingress protection | Transmitter: IP20 Optional Display: IP66 |
| Input | 1 to 2x Memosens digital input 2x 0/4 to 20mA Input optional 2x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs Alarmrelay, 2x 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: 1/2 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity Two 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 | 2x Memosens input, 2 to 4x current output, alarmrelay 2x relay, SD card for software update and copy & paste of setup |
| Material | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 99 x 100 x 97 mm 3.9 x 3.94 x 3.82 inch |
| Process temperature | 0 to 60 °C (32 to 140 °F) |
| Input | 1 to 2x Memosens digital input 2x 0/4 to 20mA Input optional 2x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs Alarmrelay, 2x 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: 1/2 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity Two 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 | 2x Memosens input, 2 to 4x current output, alarmrelay 2x relay, SD card for software update and copy & paste of setup |
| Material | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 99 x 100 x 97 mm 3.9 x 3.94 x 3.82 inch |
| Process temperature | 0 to 60 °C (32 to 140 °F) |
| Ingress protection | Transmitter: IP20 Optional Display: IP66 |
| Input | 1 to 2x Memosens digital input 2x 0/4 to 20mA Input optional 2x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs Alarmrelay, 2x 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: 1/2 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity Two 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 | 2x Memosens input, 2 to 4x current output, alarmrelay 2x relay, SD card for software update and copy & paste of setup |
| Material | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 99 x 100 x 97 mm 3.9 x 3.94 x 3.82 inch |
| Process temperature | 0 to 60 °C (32 to 140 °F) |
| Ingress protection | Transmitter: IP20 Optional Display: IP66 |
| Input | 1 to 2x Memosens digital input 2x 0/4 to 20mA Input optional 2x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs Alarmrelay, 2x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet |
| Certificates, declarations and approvals | EAC, cCSAus |
pH
| Measuring Principle | Potentiometric |
| Application | Modular 4 wire controller Multichannel: 1/2 digital channels for Memosens protocol Multiparameter: pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity Two 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 | 2x Memosens input, 2 to 4x current output, alarmrelay 2x relay, SD card for software update and copy & paste of setup |
| Material | DIN rail housing: PC-FR Display seal: EPDM |
| Dimension | 99 x 100 x 97 mm 3.9 x 3.94 x 3.82 inch |
| Process temperature | 0 to 60 °C (32 to 140 °F) |
| Ingress protection | Transmitter: IP20 Optional Display: IP66 |
| Input | 1 to 2x Memosens digital input 2x 0/4 to 20mA Input optional 2x Digital input optional |
| Output / communication | 2 to 8x 0/4 to 20 mA current outputs Alarmrelay, 2x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet |
| Certificates, declarations and approvals | EAC, cCSAus |
The Liquiline CM442R is an easy-to-use digital multi-parameter transmitter suitable for all kinds of process monitoring and control, and can be used in measurement applications with very limited installation space. Simple and fast system integration, installation and operation save you time and money. The special compact design of the 1-/2-channel controller is suitable for all installation environments. The Liquiline CM442R offers a first-class transmitter platform, 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 CM442R 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 CM442R 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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| Model | Name |
|---|---|
| CM442R-AAM1A2F01+AK | 导轨式多参数水分析变送器 |
| CM442R-AAM2CCF06+AA | 导轨式多参数水分析变送器 |
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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