Description
ABB Gas Analyzer Sample Cell 769143 – Original NL175 Optical Gas Cell
The ABB gas analyzer sample cell 769143 is an original optical gas cell designed for use in ABB continuous gas analyzers, including EL3020, EL3040, and compatible AO series analyzer systems. This unit is an original ABB NL175 version, removed from an operational analyzer and verified to be in good working condition.
Product Overview
This sample cell is a critical component inside ABB infrared gas analyzers, responsible for defining the optical path length and ensuring stable, accurate gas measurement. The ABB gas analyzer sample cell 769143 is commonly used in industrial process monitoring applications such as power plants, chemical plants, environmental monitoring systems, and continuous emission monitoring systems (CEMS).
The offered unit is a used original ABB part, professionally removed during equipment disassembly. The internal surfaces are clean, bright, and free from dust, corrosion, or crystallization, ensuring reliable optical transmission and measurement stability.
Key Features
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Original ABB component, not aftermarket or replica
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Model: 769143, NL175 optical path length
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Compatible with ABB EL3020, EL3040, and AO series gas analyzers
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Stainless steel body with precision-machined optical interfaces
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Internal optical path inspected and confirmed clean
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Suitable for infrared gas measurement applications
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Ideal replacement part for maintenance and repair
Condition Description
This ABB gas analyzer sample cell 769143 is a used but fully functional unit. It was removed from a working analyzer system during planned equipment replacement. Prior to listing, the cell was visually inspected to confirm:
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No internal contamination
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No visible corrosion or residue
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No damage to sealing surfaces
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No optical window degradation
Due to its used nature, minor cosmetic marks from handling or installation may be present, but these do not affect performance or sealing.
Typical Applications
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ABB continuous gas analyzers
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Industrial process gas monitoring
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Power generation flue gas analysis
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Chemical and petrochemical process control
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Environmental emissions monitoring
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Analyzer maintenance and spare part replacement
Why Choose an Original ABB Sample Cell
Using an original ABB gas analyzer sample cell 769143 ensures correct mechanical fit, proper optical alignment, and measurement accuracy. Aftermarket alternatives often introduce alignment errors, leakage risks, or unstable readings. This original NL175 cell maintains ABB’s original design specifications and performance standards.
What You Will Receive
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1 × ABB gas analyzer sample cell 769143 (NL175)
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Supplied as shown in the photos
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Carefully packed for safe international shipping
If you are maintaining or repairing an ABB EL3020, EL3040, or AO series gas analyzer, this original sample cell is a reliable and cost-effective solution.







