Yokogawa ZR22A-100-A-A
Product Introduction: A high-temperature, in-situ zirconia oxygen analyzer designed for continuous measurement of oxygen concentration in flue gases and process streams. It features a robust zirconia sensor and is ideal for combustion control, efficiency optimization, and emissions monitoring in high-temperature environments.
Technical Specifications
- Measurement Range: 0.01–100 vol% O2
- Probe Length: 1000 mm (1.0 m)
- Probe Material: SUS316 stainless steel, Inconel 600 (high-temperature section)
Detailed content
- Process Gas Temperature: 0–700°C (standard); up to 1400°C with optional cooling
- Process Pressure: -5 kPa to +5 kPa (gauge)
- Response Time: T90 ≤ 5 seconds
- Accuracy: ±1% of reading (or ±0.1 vol% O2, whichever is greater)
- Output Signals: 4–20 mA DC, alarm relay outputs
- Communication: HART protocol (optional)
- Power Supply: 100–240 V AC, 50/60 Hz
- Enclosure Rating: IP65 (transmitter); probe suitable for high-temperature installation
Key Features
- In-Situ Measurement: Direct insertion into the process stream, no sample conditioning required.
- Fast Response: Provides real-time data for efficient combustion control.
- Long Sensor Life: Robust zirconia element designed for continuous high-temperature operation.
- Automatic Calibration: Supports automatic span and zero calibration for minimal maintenance.
- Self-Diagnosis: Monitors sensor health and system faults.
Applications
- Power plants: Boiler combustion control and efficiency optimization.
- Incinerators: Flue gas oxygen monitoring for emission control.
- Refinery furnaces and heaters: Combustion efficiency and safety monitoring.
- Cement kilns: High-temperature process gas analysis.
- Glass manufacturing: Furnace atmosphere control.












