ABB ZIRCONIA ZMT Oxygen Analyzer

Principle of Operation

The ZMT series utilizes a robust zirconia oxide sensor that measures oxygen partial pressure directly in the flue gas stream. The sensor generates a voltage output proportional to the logarithmic ratio of oxygen concentration, providing high accuracy even in low-oxygen conditions.

Key Benefits

• In-Situ Measurement: No sampling system required, eliminating sample conditioning issues and delivering true real-time data.

• Fast Response: Typically less than 5 seconds to 90% step change, enabling precise combustion trimming.

• Minimal Drift: Zirconia cell technology ensures long-term stability with automatic calibration options.

• Wide Temperature Range: Probe operates in flue gas temperatures up to 1600°C with appropriate design.

• Low Maintenance: No moving parts and corrosion-resistant materials reduce servicing needs.

Technical Data

Applications

Ideal for combustion optimization in fossil-fueled power plants, industrial boilers, furnaces, cement kilns, and waste incinerators. The ZMT helps operators maintain ideal air-fuel ratio, reduce NOx and CO emissions, and improve thermal efficiency.

System Integration

The ZMT analyzer can be supplied as a stand-alone probe or as a complete panel with integrated control unit and display. It supports HART and Modbus communication for seamless connection to DCS or plant automation systems.

Backed by ABB's global service network, the ZIRCONIA ZMT series is a trusted solution for continuous emission monitoring and process control in demanding industries.