Key Specifications
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Input
Single-channel transmitter.
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Output / communication
0/4-20mA, HART, Profibus.
Applications
The Liquisys COM253 is a versatile transmitter designed for use with COS41 and COS61 oxygen sensors. It enhances operational reliability through continuous monitoring of sensor and process conditions. The device offers various hardware and software modules, including relays and fieldbus communication, enabling precise customization for specific measurement requirements. Its modular design also permits future upgrades. User-friendly menus and straightforward calibration ensure quick setup and operation.
The Liquisys COM253 transmitter is compatible with Oxymax COS41 and Oxymax COS61 dissolved oxygen sensors, making it ideal for environmental applications such as:
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O2 regulation in aeration tanks
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O2 monitoring and control in drinking water
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Surface water quality assessment
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Process water treatment and supervision
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O2 management in aquaculture for optimal growth environments
The Liquisys COM253 supports the following protocols and interfaces:
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0/4…20 mA
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HART
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PROFIBUS DP
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PROFIBUS PA
Advantages
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Enhanced operational safety: Continuous system verification, customizable alarms, and calibration validation.
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Precise oxygen management: Flow rate monitoring input for controller shutdown or feedforward control.
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User-friendly operation: Simplified single-point calibration in air, water, or process medium, with manual override capability.
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Lower maintenance: Automated cleaning (with Chemoclean) activated by alarms or limit switches.
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Adaptable to diverse needs: Expandable with PID controllers, timers, and other modules for process flexibility.
