The Mettler Toledo GPro 500 Oxygen Gas Analyzer is a tunable diode laser gas analyzer designed for oxygen measurement in industrial gas streams and safety-focused process applications.
Its folded-path laser beam design supports installation and measurement where continuous oxygen determination is required within the process environment.
As part of the Tunable Diode Laser Gas Analyzers family, the GPro 500 Oxygen Gas Analyzer is suited for applications where oxygen measurement supports process awareness, safety monitoring, and gas-phase analysis in demanding industrial operations.

Key Characteristics
- Tunable diode laser spectrometer for oxygen gas measurement
- Folded-path laser beam design for process gas analysis
- Designed for safety applications involving oxygen measurement
- Supports oxygen determination in industrial gas streams
Ideal Applications
- Oxygen monitoring in process and safety applications
- Flare system oxygen measurement
- CO boiler, vapor recycling, and waste incineration processes
- Industrial gas-phase oxygen analysis where TDL measurement is appropriate
Product Family Includes
- GPro 500 Oxygen Gas Analyzer
- Tunable Diode Laser Gas Analyzers for oxygen measurement
- Folded-path GPro 500 analyzer configuration for process gas applications
Gas Phase Oxygen/Gas Analyzer Options include
- Oxygen/O₂ – A0
- CO – C0
- H₂O – H0
- H₂O ppm – H1
- CO₂ % – C2
- CO % – C1
- CO % + CO₂ % – CC
- CO ppm + CH₄ % – CM
- H₂S – S1
- HCl ppm – L0
- CH₄ ppm – M0
- NH₃ ppm – N0
Industries Served
- Chemical Processing
- Petrochemical Processing
- Oil and Gas Refining
- Vapor Recovery and Terminal Operations
- Industrial Gas Handling and Inerting Applications
- Flare Safety and Combustion-related Process Operations




