Key Specifications
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Input
Single-channel transmitter
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Output / communication
0/4-20 mA, HART, Profibus
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Ingress protection
IP54
Applications
The Liquisys CLM223 is a versatile transmitter compatible with all analog conductivity sensors. It enhances process reliability through continuous monitoring of sensor integrity and process conditions. Customize your setup with various hardware and software options, including relay modules or fieldbus interfaces, to meet specific measurement requirements. The modular design enables future upgrades, while the intuitive interface simplifies configuration and calibration.
This transmitter operates with analog conductivity sensors in safe environments across multiple industries:
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Chemical processing
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Food & Beverage production
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Pharmaceutical and life sciences
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Power generation
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Water treatment facilities
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Mining and metal processing
Supported communication protocols include:
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0/4…20 mA current loop
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HART protocol
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PROFIBUS DP
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PROFIBUS PA
Advantages
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Enhanced process safety: Continuous monitoring, customizable alarms, and calibration verification
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Comprehensive measurement capabilities: Conductivity, resistivity, concentration, and ultrapure water analysis compliant with USP/EP standards
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User-friendly operation: Straightforward interface, simplified calibration, and manual contact testing
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Reduced maintenance needs: Automated cleaning function (with Chemoclean) activated by alarms or limit switches
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Adaptable configuration: Expandable with PID controllers, timers, and other modules for diverse process requirements



