Description
The Endress+Hauser Liquisys M COM253-WX0005 is an industrial dissolved oxygen transmitter designed for continuous online measurement and control in water and wastewater processes.
This unit is an original Endress+Hauser product, professionally removed from a working system. The device has been inspected and powers on normally, with clear display and stable operation. It is suitable for direct replacement, spare parts, or system maintenance.
Key Specifications
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Brand: Endress+Hauser (E+H)
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Series: Liquisys M
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Model: COM253-WX0005
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Measurement: Dissolved Oxygen (DO)
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Measuring Range:
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DO: 0 … 20 mg/L
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Saturation: 0 … 200 % SAT
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Temperature Range: -10 … +60 °C
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Output Signal: 0/4–20 mA
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Power Supply: 230 V AC, 50/60 Hz
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Enclosure Rating: IP65
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Mounting: Wall-mounted / panel-mounted
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Manufacturer: Endress+Hauser
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Assembly Location: Assembled in China (original E+H factory)
Product Features
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Original Liquisys M platform with proven long-term stability
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Clear LCD display with local keypad operation
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Standard 4–20 mA analog output for PLC and DCS systems
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Robust IP65 industrial enclosure
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Compatible with Endress+Hauser dissolved oxygen sensors
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Ideal for replacement, maintenance, or backup use
Typical Applications
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Municipal wastewater treatment plants
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Industrial water and process water monitoring
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Chemical and pharmaceutical processes
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Cooling water and circulation systems
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Environmental monitoring projects
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Endress+Hauser system maintenance and spare parts
Product Condition
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✔ Original Endress+Hauser unit
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✔ Used / surplus unit, not refurbished
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✔ Tested for power-up and basic operation
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✔ Clean housing and intact labels
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✔ Actual photos of the item supplied
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⚠ Sensor probe not included unless specified
Packing & Shipping
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Secure industrial packaging for safe transport
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Suitable for domestic and international shipping
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Technical support available for model confirmation and wiring guidance
