Key Technical Specifications
- Product Model: AO2000 LS25
- Manufacturer: ABB
- Associated System: Advance Optima Series
- Measurement Principle: Tunable Diode Laser Absorption Spectroscopy (TDLAS)
- Configuration: Transmitter/Receiver (Through-stack/Duct)
- Protection Class: IP66 (Transmitter and Receiver units)
- Optical Window Pressure Rating: Up to 5 bar (absolute)
- Communication Interfaces: Ethernet TCP/IP, OPC Server, PROFIBUS, Modbus
- Flange Mounting: DN50 process flange
- Hazardous Area Certifications: ATEX, IECEx, CSA
Core Performance and Selection Advantages
The ABB AO2000 LS25 is a premium selection for engineers requiring uncompromising accuracy in continuous gas monitoring. Its core performance relies on Tunable Diode Laser Absorption Spectroscopy (TDLAS), which targets a single, isolated absorption line of the target gas in the near-infrared spectrum. This eliminates cross-sensitivity and background gas interference, delivering highly precise concentration measurements even in complex, multi-gas environments. The analyzer employs wavelength modulation and secondary harmonic detection, making the measurement immune to line-shape variations caused by background gases.From a project Total Cost of Ownership (TCO) perspective, the AO2000 LS25 offers significant advantages. Its non-contact, in-situ measurement capability eliminates the need for extractive sampling systems, gas coolers, and pumps, drastically reducing maintenance overhead. The modular Advance Optima architecture allows up to four analyzer modules to be controlled by a single central processing unit, sharing common connections and system housing. This centralized approach streamlines panel design, reduces cabling costs, and simplifies future system expansions or upgrades without requiring a complete infrastructure overhaul.
System Integration and Expandability
For system integrators, the AO2000 LS25 is designed for seamless integration into modern industrial automation architectures. It natively supports multiple industrial communication protocols, including Ethernet TCP/IP, PROFIBUS, and Modbus, alongside an OPC server for effortless integration into DCS, PLC, or SCADA systems. The analyzer can be fully remote-controlled and monitored via the AO2000 central processing unit over an Ethernet network, providing comprehensive diagnostic data and predictive maintenance signals to prevent unplanned downtime.Expandability is a hallmark of the Advance Optima platform. The AO2000 LS25 can be freely combined with other analyzer modules—such as oxygen analyzers, photometers, or FID analyzers—within a unified system enclosure. This modularity ensures long-term investment security; as process requirements evolve, additional measurement points can be integrated into the existing rack. Furthermore, the system supports automated calibration using integrated calibration cells or ambient air, removing the dependency on external test gas cylinders and ensuring continuous compliance with environmental regulations.
