YOKOGAWA (THAILAND) LTD.

Oxygen Analyzer | Process Instrument for Measuring O₂ Concentration in Exhaust Gas

■ Overview and ValueYokogawa’s oxygen analyzers accurately measure O₂ concentration in exhaust gas from boilers and furnaces, contributing to optimized combustion efficiency and emissions control. Continuous real-time O₂ measurement enables both energy savings and improved operational safety.
■ Key Specifications and Functions
・ Available in zirconia sensor and laser-based models
・ Measurement range: 0–25% (zirconia), ppm level (laser type)
・ Response time: within a few seconds to under 10 seconds
・ Analog/digital output, models supporting HART and Modbus protocols
・ Auto-calibration and self-diagnosis functions included
■ Features and Differentiation
・ High-temperature and corrosion-resistant probe with built-in zirconia sensor
・ Non-contact laser absorption method ensures high precision and long-term stability
・ Maintenance-friendly structure minimizes field labor
・ Meets strict environmental and exhaust emission regulations
■ Supported Industries and Applications
・ Power plants: Boiler exhaust gas control
・ Petrochemical/Chemical plants: Furnace combustion control and safety monitoring
・ Steel/Cement industries: O₂ concentration measurement in process gas
・ Waste incineration: O₂ level monitoring to meet environmental standards
・ Pharmaceutical/Food factories: O₂ control in sterilization processes
■ Technical Specifications
・ Operating temperature: up to 700°C (probe tip)
・ Accuracy: (varies by model)
・ Protection rating: IP65 or higher (suitable for field installation)
■ Installation Requirements
・ Installation space: Direct insertion into stack or duct
・ Power supply: AC100–240V or DC24V
・ Wiring: Cable connection or via communication unit
■ Why Our Oxygen Analyzer is Chosen
・ Proven track record in power, chemical, and steel industries
・ High reliability through Japanese engineering and strict quality control
・ Local support in Thailand for technical assistance and maintenance
・ Flexible customization based on application and installation conditions

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Oxygen Analyzer | Process Instrument for Measuring O₂ Concentration in Exhaust Gas

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